NORTHWEST NATURAL GAS CO
424B2, 1995-02-17
NATURAL GAS DISTRIBUTION
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                                            Filed pursuant to Rule 424(b)(2)
                                                   Registration No. 33-53795

     
     PROSPECTUS SUPPLEMENT
     ---------------------
     (To Prospectus dated June 13, 1994)

                                   1,000,000 Shares

                            NORTHWEST NATURAL GAS COMPANY

                                     Common Stock
                                   ----------------

          Northwest  Natural  Gas Company  (the  "Company")  is offering  hereby
     1,000,000 shares  (the "Shares") of its common  stock, par value $3 1/6 per
     share  (the "Common  Stock").   The Common  Stock is  traded on  the Nasdaq
     National  Market.  Its price and volume  data are reported using the symbol
     "NWNG".  The last sale  price of the Common Stock as reported by the Nasdaq
     National Market on February 15, 1995 was $30 per share.

                                   ----------------

       THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
        AND EXCHANGE COMMISSION OR BY ANY STATE SECURITIES COMMISSION NOR HAS
            THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
               COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
                    PROSPECTUS SUPPLEMENT OR THE PROSPECTUS. ANY 
                          REPRESENTATION TO THE CONTRARY IS 
                                 A CRIMINAL OFFENSE.

     ==========================================================================
                                             UNDERWRITING
                                             DISCOUNTS AND       PROCEEDS TO
                         PRICE TO PUBLIC     COMMISSIONS(1)      COMPANY(2)
     --------------------------------------------------------------------------
     Per Share........       $29.75             $1.015             $28.735
     --------------------------------------------------------------------------
     Total (3)........    $29,750,000         $1,015,000         $28,735,000
     ==========================================================================
     
     (1)  The Company has agreed to indemnify the Underwriters against certain
          civil liabilities, including liabilities under the Securities Act of
          1933, as amended.  See "Underwriting".
     
     (2)  Before  deducting  expenses  payable  by  the  Company,  estimated  at
          $150,000.
     
     (3)  The Company has granted the Underwriters an option, exercisable within
          30 days after the date of this Prospectus Supplement, to purchase up
          to 150,000 additional shares (the "Option Shares") at the Price to 
          Public less  Underwriting  Discounts  and  Commissions, for  the  
          purpose  of covering over-allotments, if any.  If all such Option 
          Shares are purchased, the total Price to Public, Underwriting 
          Discounts and Commissions and Proceeds to Company will be increased 
          to $34,212,500, $1,167,250 and  $33,045,250, respectively.  See 
          "Underwriting".

                                   ----------------

          The shares of Common Stock offered hereby are offered subject to prior
     sale, when,  as and if delivered  to and accepted by  the Underwriters, and
     subject to approval of certain legal  matters by their counsel and  counsel
     for the Company.  The Underwriters reserve the right to withdraw, cancel or
     modify such offer and to reject orders in whole or in part.  It is expected
     that delivery of the Shares will be made in New York, New York on  or about
     February 23, 1995.

                                   ----------------

     MERRILL LYNCH & CO.
                                  SMITH BARNEY INC.
                                                       A.G. EDWARDS & SONS, INC.

                                   ----------------


             The date of this Prospectus Supplement is February 15, 1995.

     <PAGE>


          IN  CONNECTION WITH THIS OFFERING, THE  UNDERWRITERS MAY OVER-ALLOT OR
     EFFECT TRANSACTIONS WHICH  STABILIZE OR  MAINTAIN THE MARKET  PRICE OF  THE
     COMMON STOCK OF  THE COMPANY AT  A LEVEL ABOVE  THAT WHICH MIGHT  OTHERWISE
     PREVAIL  IN THE  OPEN MARKET.   SUCH  TRANSACTIONS MAY  BE EFFECTED  ON THE
     NASDAQ  NATIONAL MARKET, IN THE OVER-THE-COUNTER MARKET OR OTHERWISE.  SUCH
     STABILIZING, IF COMMENCED, MAY BE  DISCONTINUED AT ANY TIME.  
     
         IN CONNECTION WITH THIS OFFERING, CERTAIN UNDERWRITERS, SELLING GROUP 
     MEMBERS (IF ANY) AND THEIR RESPECTIVE AFFILIATES MAY ENGAGE IN PASSIVE 
     MARKET MAKING TRANSACTIONS  IN  THE  COMMON  STOCK  ON  THE  NASDAQ     
     NATIONAL  MARKET  IN ACCORDANCE WITH RULE 10b-6A UNDER THE SECURITIES 
     EXCHANGE ACT OF 1934.  SEE "UNDERWRITING".


                                 SUMMARY INFORMATION

          The following material,  which is presented  herein solely to  furnish
     limited introductory  information regarding the Company,  has been selected
     from or is  based upon  the detailed information  and financial  statements
     incorporated  by   reference  into  this  Prospectus   Supplement  and  the
     accompanying Prospectus, is qualified in its entirety by reference thereto,
     and, therefore, should be read together therewith.


                                     THE OFFERING

     Company...............................  Northwest Natural Gas Company

     Securities offered....................  1,000,000 shares of Common Stock
                                             (excluding up to 150,000 Option
                                             Shares)

     Shares of Common Stock outstanding
       after offering......................  Approximately 14,500,000 (excluding
                                             up to 150,000 Option Shares)

     Common Stock closing price range, 
       365-Day High Low, at 
       February 15, 1995...................  $36 1/4 - 28

     Nasdaq National Market Symbol.........  NWNG

     Indicated current annual dividend 
       rate................................  $1.76


                                     THE COMPANY

     Business..............................  A public utility engaged in natural
                                             gas distribution

     Service Area..........................  Western Oregon and southwestern
                                             Washington

     Estimated Population of Service
       Area................................  Approximately 2,600,000

     Customers.............................  Approximately 391,600

     Average annual growth in number 
       of customers, 1990-94...............  5.2%

                                         S-2

     <PAGE>


                          SELECTED FINANCIAL INFORMATION(1)


                                            YEARS ENDED DECEMBER 31,
                                  ----------------------------------------------
                                  1994      1993      1992      1991      1990
                                  ----      ----      ----      ----      ----
                                  (THOUSANDS, EXCEPT PER SHARE AMOUNTS)

     INCOME STATEMENT DATA:
     Operating  revenues.....  $368,261  $358,717  $274,366  $295,938  $296,281
     Net operating revenues--
       Margin (Revenues
       less cost of  gas)....   205,473   219,884   172,450   185,339   182,226
     Income before interest
         charges.............    80,853    84,850    49,459    43,289    68,686
     Net  income.............    35,461    37,647    15,775    14,377    30,724
     Preferred and preference
       stock dividends.......     2,983     3,488     2,560     2,593     2,729
     Earnings applicable to
       Common Stock..........   $32,478   $34,159   $13,215   $11,784   $27,995
     Average number of common  
       shares  outstanding...    13,295    13,074    11,909    11,698    11,522
     Earnings per common
       share.................     $2.44     $2.61     $1.11     $1.01     $2.43
     Dividends per common
       share.................     $1.76     $1.75     $1.72     $1.69     $1.65



                                                    DECEMBER 31,
                                  --------------------------------------------
                                  1994      1993      1992      1991      1990 
                                  ----      ----      ----      ----      ----
                                                   (THOUSANDS)

     BALANCE SHEET DATA:
     Total  assets...........  $889,304  $849,036  $731,834  $731,494  $687,835
     Redeemable preferred
       stock.................    15,950    17,041    28,218    29,148    30,102
     Long-term  debt.........   291,076   272,931   253,766   252,995   215,230
     


                                                    DECEMBER 31, 1994
                                         ---------------------------------------
                                              ACTUAL            AS ADJUSTED(2)
                                         -----------------    ------------------
                                             (THOUSANDS, EXCEPT PERCENTAGES)

     CAPITALIZATION:
     Long-term  debt..................    $291,076   47.9%    $291,076    45.8%
     Redeemable preferred stock.......      15,950    2.6       15,950     2.5
     Nonredeemable preference 
       stock..........................       1,252    0.2        1,252     0.2
     Redeemable preference stock......      25,000    4.1       25,000     3.9
     Common Stock equity..............     274,408   45.2      302,993    47.6
                                          --------  -----     --------   -----
          Total capitalization........    $607,686  100.0%    $636,271   100.0%
                                          ========  =====     ========   =====
     ---------------
     (1)  The Selected Financial Information for the years ended December 31,
          1993, 1992, 1991 and 1990 was derived from  audited financial
          statements.  The Selected Financial Information for the year ended 
          December  31, 1994 is unaudited, but includes all adjustments which 
          the management of the Company considers necessary for a fair 
          presentation of its results for the year.

     (2)  As adjusted to reflect the Proceeds to Company from the sale of the
          Shares, after deducting estimated expenses payable by the Company. 
          Assuming the purchase by the Underwriters of the Option Shares, Common
          Stock Equity and Total Capitalization, each as adjusted, would be 
          $307,303,250 and $640,581,250, respectively.

                                         S-3

     <PAGE>

                                     THE COMPANY

          The Company, which was incorporated under the laws of  Oregon in 1910,
     distributes natural  gas to customers  in western  Oregon and  southwestern
     Washington, including  the  Portland metropolitan  area.   Gas  service  is
     provided  in 95 cities and  neighboring communities in  16 Oregon counties,
     and  in  nine  cities  and  neighboring  communities  in  three  Washington
     counties.  The Company's service areas have a population of more than 
     2,600,000, including about 78 percent of the  population of the State of 
     Oregon.   The Company's executive offices  are located  at One Pacific  
     Square, 220  N.W. Second  Avenue, Portland, Oregon 97209.   Its telephone  
     number is 503-226-4211.

          Oregon Natural Gas Development Corporation, a wholly-owned subsidiary,
     is  engaged in natural gas  exploration, development and  production in the
     western United States and Canada.

          NNG  Financial Corporation,  another  wholly-owned  subsidiary,  holds
     financial  investments   as  a  limited  partner  in  four  solar  electric
     generating systems, four windmill projects and a hydroelectric project, all
     located in California,  and in  a low-income housing  project in  Portland.
     NNG  Financial  also  arranges   short-term  financing  for  the  Company's
     operating subsidiaries.

     RECENT DEVELOPMENTS

          The Company  reported earnings of $1.29 a share for its fourth quarter
     ended December 31,  1994, up  from earnings of  $1.05 a  share in the  same
     quarter  a year earlier.  The Company's consolidated earnings applicable to
     Common Stock for the fourth quarter were $17,300,000, up 24.7 percent from
     the fourth quarter of 1993.

          The Company earned $1.32  a share from utility operations  compared to
     $1.17  a share in  the fourth quarter  of 1993.   Weather in  the Company's
     service territory in the fourth  quarter was 2 percent colder than the 
     fourth quarter of 1993 and 4 percent colder than average.

          The Company's  earnings for the full year 1994 were $2.44 a share, the
     second highest  in history.  Earnings  included $2.08 a share  from utility
     operations and $0.36  a share  from subsidiary operations.   The  utility's
     results for  the year were depressed by the effects  of warm weather in the
     first  and second quarters  which more than  offset the colder  than normal
     weather  experienced  in the  fourth quarter.    Weather conditions  in the
     Company's service territory in 1994 were 10 percent warmer than in 1993 and
     7 percent warmer  than average.  Subsidiary results in  1994 included gains
     equivalent to  $0.17 a share  from the sale  of assets by  two subsidiaries
     that discontinued operations during the year.

          In 1994,  the Company added  19,211 customers, expanding  its customer
     base by 5.2 percent.  Customer  additions in the residential and commercial
     markets  were 58  percent due  to new  construction and  42 percent  due to
     conversions from other fuels.


                                   USE OF PROCEEDS

          The  net proceeds to be  received by the Company from  the sale of the
     Shares and  the Option Shares (if  the option should be  exercised) will be
     added to  the general funds of the Company and used for corporate purposes,
     primarily to  fund, in  part,  the Company's  ongoing utility  construction
     program and to repay short-term debt incurred for such purpose.

          The   Company  expects   its   utility   construction  and   equipment
     expenditures in 1995 to  aggregate $76 million.   The Company expects  such
     expenditures for the  five-year period, 1995-99, to aggregate  between $350
     million and $375  million.   The capital requirements  of its  subsidiaries
     during  the same  period are  expected to  be limited  to funds  internally
     generated by the subsidiaries.  Approximately $21 million of long-term debt
     matures in 1996 and $26 million in 1997.

          The Company  estimates that  60% or  more of  the  funds required  for
     utility purposes during the 1995-99 period will be internally generated and
     that the  balance, as well as  substantially all of the  funds required for
     the   repayment  of  maturing  debt,  will  be  funded  through  short-term
     borrowings, which will be refinanced periodically through the sale of long-
     term debt  and equity securities, in such amounts  and at such times as the
     Company's cash requirements and market  conditions shall determine.   Based
     upon this  estimate, the Company  expects that,  during 1995, its  sales of
     Common Stock will consist of sales of the Shares, the Option Shares (if the
     option  should be exercised) and  approximately $6 million  of Common Stock
     expected  to be sold through  its Dividend Reinvestment  and Stock Purchase
     Plan and various employee plans.

                                         S-4

     <PAGE>

                              DIVIDENDS AND PRICE RANGE

          Cash dividends on the Common Stock of the Company have  been paid each
     year since 1951.  It is the intention of the Board of Directors to continue
     to pay cash dividends on a quarterly basis.  However, future dividends will
     be dependent upon the Company's earnings, its financial condition and other
     factors.   See "Description of Common Stock" in the accompanying Prospectus
     for certain restrictions upon the payment of cash dividends.

          The  Company  has a  Dividend  Reinvestment  and Stock  Purchase  Plan
     pursuant to  which registered holders of Common Stock may reinvest all or a
     portion of  their quarterly Common  Stock cash dividends  in shares  of the
     Company's  Common Stock at the  applicable market price.   Shareholders may
     also make optional cash purchases  of shares of Common Stock in  amounts up
     to $50,000 per calendar year at the applicable market price.

          The Common Stock is traded  on the Nasdaq National Market.   Its price
     and volume data are reported using the symbol "NWNG".  The range of closing
     prices of  the Common  Stock as  published in The  Wall Street  Journal and
     dividends paid or declared are shown in the following table for the periods
     indicated:

                                                            Closing Prices
                                             Quarterly      --------------
                                             Dividends      High      Low
                                             ---------      ----      ---
     1992:
          First Quarter................      $0.43          $31       $27 1/2
          Second Quarter...............       0.43           30 1/2    26 1/2
          Third Quarter................       0.43           33        29
          Fourth Quarter...............       0.43           33 3/4    28 1/4
                                             -----
                                             $1.72
                                             =====
     1993:
          First Quarter................      $0.43          $31 1/2   $28 1/2
          Second Quarter...............       0.44           34        30 3/4
          Third Quarter................       0.44           38        34
          Fourth Quarter...............       0.44           36 3/4    32
                                             -----
                                             $1.75
                                             =====
     1994:
          First Quarter................      $0.44          $36 1/2   $33 3/4
          Second Quarter...............       0.44           34 3/4    29 3/4
          Third Quarter................       0.44           32        29
          Fourth Quarter...............       0.44           32        28 1/2
                                             -----
                                             $1.76
                                             =====
     1995:
          First Quarter (through
            February 15, 1995)..........     $0.44          $30 3/4   $28

          
          On  January 23,  1995 the  Company had  12,380 common  shareholders of
     record.

                                         S-5  
                                         
     <PAGE>

                                     UNDERWRITING

          The Underwriters  named below, acting  through their  Representatives,
     Merrill Lynch, Pierce, Fenner  & Smith Incorporated, Smith Barney  Inc. and
     A.G. Edwards  & Sons, Inc. (the "Representatives"),  have severally agreed,
     subject  to the terms and  conditions of the  Underwriting Agreement, dated
     February 15,  1995 (the  "Underwriting Agreement"),  to purchase  from the
     Company  the number  of Shares  set forth  below opposite  their respective
     names.


                                                                 Number
                         Underwriter                             of Shares
                         -----------                             ---------

          Merrill Lynch, Pierce, Fenner & Smith 
                      Incorporated..............................    200,000   
          Smith Barney Inc......................................    200,000   
          A.G. Edwards & Sons, Inc..............................    200,000   
          Dean Witter Reynolds Inc..............................     50,000  
          Edward D. Jones & Co..................................     50,000  
          PaineWebber Incorporated..............................     50,000  
          Piper Jaffray Inc.....................................     50,000  
          Prudential Securities Incorporated....................     50,000  
          Ragen MacKenzie Incorporated..........................     50,000   
          Black & Company, Inc..................................     20,000  
          Crowell, Weedon & Co..................................     20,000  
          D. A. Davidson & Co. Incorporated.....................     20,000  
          Jensen Securities Co..................................     20,000  
          Paulson Investment Company, Inc.......................     20,000 
                                                                  --------- 
               Total............................................  1,000,000
                                                                  =========


          The Underwriters are committed to purchase all of  the above Shares if
     any  are purchased.  Under  certain circumstances, the  commitments of non-
     defaulting Underwriters may be  increased as set forth in  the Underwriting
     Agreement.

          The  Representatives  have  advised  the  Company  that  they  propose
     initially to  offer the Shares  to the public  at the  Price to Public  set
     forth  on the  cover page  of  this Prospectus  Supplement, and  to certain
     dealers at such price  less a concession not in  excess of $.57 per share.
     The Underwriters may allow, and such dealers may reallow, a discount not in
     excess of  $.10 per share on  sales to certain  other dealers.   After the
     initial public offering, the public offering price, concession and discount
     may be changed.

          The Company has granted the Underwriters an option, exercisable within
     30 days after  the date of  this Prospectus Supplement,  to purchase up  to
     150,000 Option Shares  to cover over-allotments,  if any,  at the Price  to
     Public set forth on the  cover page of this Prospectus Supplement  less the
     Underwriting Discounts and  Commissions.  If the Underwriters exercise this
     option, each  of the Underwriters will  have a firm  commitment, subject to
     certain  conditions, to purchase  approximately the same  percentage of the
     Option Shares  as the  percentage  of the  Shares which  it  has agreed  to
     purchase.

          In the Underwriting Agreement, the Company has agreed to indemnify the
     Underwriters against certain civil liabilities, including liabilities under
     the Securities Act of 1933, as amended (the "Act").

          In  connection  with  this  offering, certain  Underwriters, selling  
     group members (if any) and their respective  affiliates  who  are  
     qualified  market  makers on  the  Nasdaq National Market may engage in  
     "passive market making" in the  Common Stock on the  Nasdaq National  
     Market in  accordance with  Rule 10b-6A under  the Securities Exchange 
     Act of 1934, as amended (the "Exchange Act").  Rule  10b-6A permits,  upon
     the satisfaction  of  certain conditions,  underwriters  and selling  
     group  members  participating in  a distribution  that  are also  Nasdaq 
     market  makers  in the  security being distributed  to engage  in limited  
     market  making transactions  during the period when Rule 10b-6 under the 
     Exchange Act would otherwise prohibit such activity.  Rule 10b-6A prohibits
     underwriters  and selling group  members engaged in passive market making 
     generally from entering a bid or effecting a  purchase at a  price that 
     exceeds  the highest bid  for those securities displayed  on Nasdaq  by a 
     market  maker that  is not  participating in the distribution.   Under 
     Rule 10b-6A, each underwriter or selling group member engaged  in passive  
     market  making  is subject  to  a daily  net  purchase limitation  equal  
     to 30%  of such  entity's  average daily  trading volume during the two  
     full consecutive calendar months  immediately preceding the date of filing 
     of the  registration statement under the  Act pertaining to the security 
     to be distributed.

                                         S-6

     <PAGE>

                                       EXPERTS

          The financial statements and the related financial statement schedules
     incorporated by reference from the Company's Annual Report on Form 10-K for
     the year  ended December 31,  1993 have been  audited by Deloitte  & Touche
     LLP,  independent auditors, as stated  in their report  (which expresses an
     unqualified opinion and includes an explanatory paragraph referring to  the
     change in method of accounting for income taxes and postretirement benefits
     for the year ended December 31, 1993), which is incorporated herein by  
     reference, and has been so incorporated in reliance upon the report of 
     such firm given upon their authority as experts in accounting and 
     auditing.

          With  respect to the unaudited  interim financial information which is
     incorporated by reference, Deloitte & Touche LLP has applied limited
     procedures in accordance with  professional standards for a review  of such
     information.  However, as stated in their reports included in the Company's
     Quarterly Reports on Form  10-Q and incorporated by reference  herein, they
     did not audit and they do not express an opinion on that interim  financial
     information.  Accordingly, the degree of reliance on their  reports on such
     information should  be restricted  in light of  the limited  nature of  the
     review  procedures applied.   Deloitte & Touche  LLP is not  subject to the
     liability provisions of  Section 11 of  the Act, for  their reports on  the
     unaudited  interim  financial information,  because  such  reports are  not
     "reports" or a "part"  of the registration statement prepared  or certified
     by an accountant within the meaning of Sections 7 and 11 of the Act.

          The statements  made as to matters of law and legal conclusions in the
     documents incorporated  in this Prospectus Supplement  and the accompanying
     Prospectus by reference  and under "Description of  Common Stock"  in  such
     Prospectus  have  been reviewed  by  Bruce  B.  Samson, Esquire,  Portland,
     Oregon.   Mr. Samson is General  Counsel of the Company.   These statements
     and conclusions  are set forth in  reliance upon the opinion  of Mr. Samson
     given upon his authority as an expert.  As of January 23, 1995,  Mr. Samson
     owned approximately  3,900 shares of the Company's  common stock (including
     1,165 shares through the Company's Retirement K Savings  Plan) and has been
     granted options  to purchase 8,000 additional shares  at a price of $24.875
     and 2,000 additional shares  at a price of $36.00, the market prices of the
     shares on  the dates of  such grants.   Mr. Samson's shares,  including the
     underlying shares  subject to  options granted  to him,  had a  fair market
     value, as of such date, of approximately $389,200.


                                       LEGALITY

          The legality of the securities offered  hereby will be passed upon for
     the  Company by Mr.  Samson and by Reid  & Priest LLP,  New York, New York.
     Certain legal  matters will be passed upon  for the Underwriters by Simpson
     Thacher   &   Bartlett   (a   partnership   which   includes   professional
     corporations),  New York,  New York.   However,  all matters of  Oregon and
     Washington law will be passed upon only by Mr. Samson.

                                         S-7

     <PAGE>                              
     
     PROSPECTUS
     ----------


                            NORTHWEST NATURAL GAS COMPANY


                                 First Mortgage Bonds
                                     Common Stock


                                  ------------------


          Northwest Natural Gas  Company (the  "Company") intends  from time  to
     time to  sell its First  Mortgage Bonds (the "New  Bonds") and/or Common
     Stock (the  "New Common Stock")  (the New  Bonds and the  New Common  Stock
     being  collectively  referred   to  herein  as  the  "Securities")  in  any
     combination  at  an   aggregate  initial  offering  price   not  to  exceed
     $60,000,000.   The Securities will be offered at  prices and on terms to be
     determined at the times of sale.  For each issue of the New Bonds for which
     this Prospectus will be delivered, there will be an accompanying Prospectus
     Supplement that will  set forth,  with respect  to such  issue, its  series
     designation,  the  aggregate principal  amount  thereof, the  terms  of the
     offering,  its maturity  date or  dates,  its interest  rate or  rates, the
     interest  payment dates  and  the date  from  which interest  will  accrue,
     whether  all or any portion will be  issued to a designated depositary, its
     redemption provisions,  if any,  and any  other specific  terms.   For each
     issue of  the New Common Stock for which this Prospectus will be delivered,
     there will be an accompanying Prospectus Supplement that will set forth the
     terms of the offering.  The  Common Stock is traded in the over-the-counter
     market.  Its price and volume data are reported on the National Association
     of Securities  DealersAutomated Quotation  (NASDAQ) National  Market System
     using the symbol  "NWNG".  The  sale of one of  the Securities will  not be
     contingent upon the sale of the other.


                                  ------------------


       THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
            AND EXCHANGE COMMISSION OR BY ANY STATE SECURITIES COMMISSION 
             NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE 
                  SECURITIES COMMISSION PASSED UPON THE ACCURACY OR 
                   ADEQUACY OF THIS PROSPECTUS.  ANY REPRESENTATION
                        TO THE CONTRARY IS A CRIMINAL OFFENSE.



          The Securities may  be sold directly by the Company  or through agents
     designated from  time to time or  through underwriters or dealers.   If any
     agents of the Company or  any underwriters are involved in the sale  of the
     Securities in respect of which this Prospectus will be delivered, the names
     of such  agents or underwriters, and  the initial price to  the public, any
     applicable commissions or discounts and the net proceeds to the Company, or
     the  means of determining  the same, will  be set forth  in an accompanying
     Prospectus Supplement.   The Company may indemnify  agents and underwriters
     against   certain  civil  liabilities,   including  liabilities  under  the
     Securities Act of 1933, as amended.  See "Plan of Distribution".

     
                    The date of this Prospectus is June 13, 1994.

                                         
     <PAGE>

                                 AVAILABLE INFORMATION

          The  Company  is subject  to  the  informational requirements  of  the
     Securities  Exchange  Act of  1934, as  amended  ("Exchange Act"),  and, in
     accordance  therewith,  files  reports   and  other  information  with  the
     Securities and  Exchange Commission.   Reports, proxy statements  and other
     information filed  by the Company can be inspected and copied at the public
     reference facilities of  the Commission,  Room 1024,  Judiciary Plaza,  450
     Fifth Street, N.W.,  Washington, D.C.  20549, as well  as at the  following
     regional  offices:  7  World Trade Center,  13th Floor, New  York, New York
     10048,  and Northwest Atrium Center,  Suite 1400, 500  West Madison Street,
     Chicago, Illinois 60661-2511.  Copies of such material can be obtained from
     the Public Reference Section  of the Commission at 450  Fifth Street, N.W.,
     Washington, D.C. 20549, at prescribed rates.


                   INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

          There  are hereby  incorporated by  reference  in this  Prospectus the
     following  documents  heretofore filed  with  the  Securities and  Exchange
     Commission:

          (1)  The Company's Annual Report on Form 10-K for the year ended
               December 31, 1993.

          (2)  The Company's Quarterly Report on Form 10-Q for the quarter ended
               March 31, 1994.

          All documents filed by the Company pursuant to Section 13, 14 or 15(d)
     of the  Exchange Act after  the date of  this Prospectus  and prior to  the
     termination  of this  offering  shall  be  deemed  to  be  incorporated  by
     reference into this Prospectus  and to be  a part hereof  from the date  of
     filing   of  such  documents.    Any  statement  contained  in  a  document
     incorporated  or deemed  to be  incorporated by  reference herein  shall be
     deemed  to be modified or  superseded, for purposes  of this Prospectus, to
     the extent that a statement contained  herein or in any other  subsequently
     filed document which also is  or is deemed to be incorporated  by reference
     herein modifies or supersedes such statement.  Any statement so modified or
     superseded shall  not be deemed,  except as so  modified or  superseded, to
     constitute a part of this Prospectus.

          THE COMPANY  HEREBY UNDERTAKES  TO PROVIDE,  WITHOUT  CHARGE, TO  EACH
     PERSON, INCLUDING ANY  BENEFICIAL OWNER, TO WHOM A COPY  OF THIS PROSPECTUS
     SHALL  HAVE BEEN DELIVERED, UPON WRITTEN OR  ORAL REQUEST OF SUCH PERSON, A
     COPY OF ANY OR ALL OF THE DOCUMENTS WHICH HAVE BEEN OR MAY  BE INCORPORATED
     IN THIS PROSPECTUS  BY REFERENCE,  OTHER THAN EXHIBITS  TO SUCH  DOCUMENTS,
     UNLESS SUCH EXHIBITS SHALL HAVE BEEN SPECIFICALLY INCORPORATED BY REFERENCE
     INTO  SUCH DOCUMENTS.    REQUESTS FOR  SUCH COPIES  SHOULD  BE DIRECTED  TO
     NORTHWEST NATURAL GAS COMPANY, SHAREHOLDER SERVICES DEPARTMENT, ONE PACIFIC
     SQUARE,  220 N.W. SECOND AVENUE, PORTLAND,  OREGON 97209, OR BY CALLING THE
     FOLLOWING NUMBER:  503-226-4211.
     

                                     THE COMPANY

          The Company, which was incorporated under the laws of  Oregon in 1910,
     distributes  natural gas  to customers in  western Oregon  and southwestern
     Washington,  including the  Portland  metropolitan area.    Gas service  is
     provided  in 95 cities and  neighboring communities in  16 Oregon counties,
     and  in  nine  cities  and  neighboring  communities  in  three  Washington
     counties.   The  Company's service  areas have  a population  of 2,600,000,
     including about 78 percent of the  population of the State of Oregon.   The
     Company's executive offices  are located  at One Pacific  Square, 220  N.W.
     Second  Avenue, Portland, Oregon 97209.   Its telephone  number is 503-226-
     4211.

          Oregon  Natural Development Corporation, a wholly-owned subsidiary, is
     engaged  in natural  gas  exploration, development  and  production in  the
     western United States and Canada.  

          NNG  Financial  Corporation,  another  wholly-owned  subsidiary, holds
     financial  investments  as   a  limited  partner  in  four  solar  electric
     generating systems, four windmill projects and a hydroelectric project, all
     located in California,  and in  a low-income housing  project in  Portland.
     NNG  Financial  also  arranges   short-term  financing  for  the  Company's
     operating subsidiaries.

                                          2

     <PAGE>

                          RATIO OF EARNINGS TO FIXED CHARGES

          The Company has  calculated the  ratios of earnings  to fixed  charges
     pursuant to Item 503 of SEC Regulation S-K as follows:


                              Twelve Months Ended
          -----------------------------------------------------------
          March 31,                     December 31,
          ---------      --------------------------------------------
            1994         1993      1992      1991      1990      1989
            ----         ----      ----      ----      ----      ----
            2.94         3.22      1.81      1.59      2.64      2.75


          Earnings consist  of  net income  to which  have been  added taxes  on
     income  and  fixed charges.    Fixed charges  consist  of  interest on  all
     indebtedness, amortization of debt expense and discount or premium, and the
     estimated interest portion of rentals charged to income.


                        USE OF PROCEEDS AND FINANCING PROGRAM

          The net proceeds to  be received by the  Company from the sale  of the
     Securities will be  added to the general funds of the  Company and used for
     corporate  purposes, primarily  to  fund, in  part,  the Company's  ongoing
     utility construction program and to repay short-term debt incurred for such
     purpose.

          The   Company  expects   its   utility   construction  and   equipment
     expenditures in  1994 to aggregate $75  million.  The Company  expects such
     expenditures for the five-year period,  1994-98, to aggregate between  $325
     million and $350  million.   The capital requirements  of its  subsidiaries
     during  the same  period are  expected  to be  limited to  funds internally
     generated by the subsidiaries.  Approximately $21 million of long-term debt
     matures in 1996 and $26 million in 1997.

          The  Company estimates  that  50% or  more of  the funds  required for
     utility purposes during the 1994-98 period will be internally generated and
     that the  balance, as well as  substantially all of the  funds required for
     the  repayment  of  maturing  debt,   will  be  funded  through  short-term
     borrowings, which will be refinanced periodically through the sale of long-
     term  debt and equity securities, in such amounts  and at such times as the
     Company's cash requirements  and market conditions shall determine.   Based
     upon this estimate, the Company expects that, through the end  of 1995, its
     sales of Common  Stock will not exceed $50 million,  consisting of not more
     than  $40 million  of New  Common Stock  and approximately  $10 million  of
     Common  Stock expected  to be  sold through  its Dividend  Reinvestment and
     Stock Purchase Plan and various employee plans.


                             DESCRIPTION OF THE NEW BONDS

          General:  The New Bonds are to be issued under  the Company's Mortgage
     and Deed of Trust,  dated as of July 1, 1946, to  Bankers Trust Company and
     R.G. Page (Stanley Burg, successor), as trustees, as supplemented by twenty
     supplemental indentures and  as to be further  supplemented by one  or more
     additional  supplemental indentures providing for one or more series of the
     New Bonds, all of which are collectively referred to as the "Mortgage".

          The  statements herein concerning the  New Bonds and  the Mortgage are
     merely an  outline and do  not purport  to be complete.   They make  use of
     terms  defined  in the  Mortgage and  are  qualified in  their  entirety by
     express reference to the cited Sections and Articles.

          Reference is  made to the Prospectus Supplement  for each issue of the
     New  Bonds for the following terms, among others, of the New  Bonds offered
     thereby:    (i)  the  series designation  and  aggregate  principal  amount
     thereof, (ii)  the initial public offering  price and other terms  of their
     offering, (iii) the  date or dates on which they will mature, (iv) the rate
     or rates per annum at which they will bear interest, (v) the times at which
     such interest will be payable and the date from which it will accrue,  (vi)
     whether  all or  any  portion  thereof  will  be  issued  to  a  designated
     depositary,  (vii) any  redemption  provisions, and  (viii) other  specific
     terms.

          Form,  Exchange  and  Payment:   Unless  otherwise  indicated  in  the
     Prospectus Supplement for an issue of the New Bonds, the  New Bonds offered
     thereby will be  issued only in fully  registered form in  denominations of
     $1,000  and any multiple  thereof.  The  New Bonds are  exchangeable at the
     office of Bankers Trust Company in New York City, without charge other than
     taxes  or  other governmental  charges  incident  thereto.   Principal  and
     interest are payable at such office.

                                          3

     <PAGE>

          Provisions for Maintenance of  Property:  While the Mortgage  contains
     provisions for the maintenance  of the Mortgaged and Pledged  Property, the
     Mortgage  does  not permit  redemption  of First  Mortgage  Bonds ("Bonds")
     pursuant to these provisions.

          Security:    The  New  Bonds  together with  all  other  Bonds  now or
     hereafter issued under the Mortgage will  be secured by the Mortgage, which
     constitutes, in the  opinion of Bruce B.  Samson, Esq., General Counsel  of
     the  Company, a first mortgage lien on  all of the gas plants, distribution
     systems and other materially  important physical properties of the  Company
     (except as  stated below), subject to  (a) leases of minor  portions of the
     Company's  property to  others  for  uses which,  in  the  opinion of  such
     Counsel,  do  not interfere  with the   Company's  business, (b)  leases of
     certain property of the Company not used in its gas utility business or the
     gas by-product  business, (c) excepted encumbrances, and  (d) minor defects
     and encumbrances customarily found in properties of like size and character
     which,  in the  opinion of  such Counsel,  do  not impair  the use  of such
     properties by the Company.   There are excepted from the  lien all cash and
     securities; certain equipment, apparatus, materials  or supplies; aircraft,
     automobiles  and  other  vehicles;   receivables,  contracts,  leases   and
     operating agreements;  timber, minerals, mineral rights  and royalties; and
     all natural gas and oil production property.

          The  Mortgage contains  provisions subjecting  after-acquired property
     (subject to pre-existing liens) to the lien thereof, subject to limitations
     in the  case of consolidation, merger  or sale of substantially  all of the
     Company's assets.  (See Mortgage, Art. XVI.)

          The Mortgage  provides that the  trustees shall  have a lien  upon the
     mortgaged property,  prior to that of  the Bonds, for the  payment of their
     reasonable  compensation and  expenses, and  for indemnity  against certain
     liabilities. (See Mortgage, Sec. 96.)

          Issuance of Additional  Bonds:  Bonds may be issued  from time to time
     on the  basis of (1) 60% of property additions, after adjustments to offset
     retirements;  (2) retirement  of   Bonds  or qualified  lien bonds;  or (3)
     deposit of  cash.  With  certain exceptions in  the case of (2)  above, the
     issuance of Bonds is subject  to adjusted net earnings before  income taxes
     for 12 consecutive  months out of  the preceding 15  months being at  least
     twice  the  annual  interest  requirements  on  all    Bonds  at  the  time
     outstanding, including the additional issue, and all  indebtedness of prior
     rank.

          Property additions generally include gas, electric, steam or hot water
     property or gas by-product property acquired  after March 31, 1946, but may
     not include securities, airplanes, automobiles or other vehicles or natural
     gas transmission lines or natural  gas and oil production property.   As of
     March  31,  1994,  approximately  $201,300,900 of  property  additions  and
     $93,000,000 of  retired Bonds were available  for use as the  basis for the
     issuance of Bonds.

          The Mortgage  contains certain restrictions upon the issuance of Bonds
     against property subject to liens.

          The  New Bonds will be  issued against property  additions and retired
     Bonds.

          (See Mortgage, Secs. 4-7, 20-30 and 46 and Third Supplemental, Secs. 3
     and 4.)

          Release  and  Substitution  of Property:    Property  may  be released
     against  (1) deposit  of  cash  or, to  a  limited  extent, purchase  money
     mortgages,  (2) property additions,  or (3)  waiver of  the right  to issue
     Bonds without  applying any  earnings  test.   Cash so  deposited and  cash
     deposited  against the issuance of  additional bonds may  be withdrawn upon
     the bases  stated in  (2) and (3)  above.   When property  released is  not
     funded property, property additions  used to effect the release  may again,
     in certain cases, become  available as credits under the Mortgage,  and the
     waiver  of the right to  issue Bonds to effect the  release may, in certain
     cases, cease to be  effective as such a waiver.   Similar provisions are in
     effect as to cash proceeds of such property.  The Mortgage contains special
     provisions with respect to qualified lien bonds pledged and the disposition
     of moneys  received on pledged prior  lien bonds.  (See  Mortgage, Secs. 5,
     31, 32, 37, 46 to 50, 59 to 61, 100 and 118.)

          Defaults  and Notice  Thereof:  Defaults  are:  default  in payment of
     principal; default for 60 days in payment of interest or of installments of
     funds for retirement of  bonds; certain defaults with respect  to qualified
     lien bonds; certain events in bankruptcy, insolvency or reorganization; and
     default for  90 days  after notice  in the  case of other  covenants.   The
     trustees  may withhold notice of  default (except in  payment of principal,
     interest or any funds for the retirement of Bonds) if they think it  in the
     interest of the Bondholders.  (See Mortgage, Secs. 65 and 66.)

          Holders of 25% of the Bonds may declare the principal and the interest
     due on default, but a  majority may annul such declaration if  such default
     has  been cured.  No  holder of Bonds may enforce  the lien of the Mortgage
     without giving the trustees  written notice of a default and unless holders
     of  25% of the  Bonds have requested  the trustees to act  
     
                                          4
     
     <PAGE>

     and offered them reasonable opportunity to  act and the  trustees have 
     failed  to act.   The trustees are  not required to risk their  funds or 
     incur personal liability if there  is reasonable  ground for  believing  
     that the  repayment is not reasonably assured.   The holders of a majority 
     of the Bonds may direct the time,  method  and  place of  conducting  any  
     proceedings  for any  remedy available to the trustees, or exercising any  
     trust or power conferred upon the trustees but the trustees are not 
     required to follow  such direction if not sufficiently  indemnified for 
     expenditures.   (See Mortgage,  Secs. 67, 71, 80 and 94.)

          Evidence  to be Furnished to  the Trustees:   Compliance with Mortgage
     provisions  is evidenced by written statements of the Company's officers or
     persons selected by the Company.  In certain major matters  the accounting,
     engineer,  appraiser   or  other  expert  must  be  independent.    Various
     certificates  and other  papers, including  a certificate  with respect  to
     compliance with the terms of the Mortgage and the absence  of defaults, are
     required to be  filed annually and upon  the occurrence of certain  events.
     (See Mortgage, Secs. 67, 71, 80 and 94.)

          Modification of  the Mortgage:  The  rights of the  Bondholders may be
     modified with the consent of 70% of the Bonds and, if less than  all series
     of Bonds  are affected, the  consent also  of 70% of  Bonds of  each series
     affected.  The Company has reserved  the right without any consent or other
     action  by holders of  any series of  Bonds (including the  New Bonds), and
     intends  in conjunction with the  issuance of the  New Bonds, to substitute
     66 %  for 70%.   In general,  no modification  of the  terms of  payment of
     principal  and  interest, and  no modification  affecting  the lien  of the
     Mortgage or reducing  the percentage required for modification is effective
     against any  Bondholder without his  consent.  (See Mortgage,  Art. XIX and
     Ninth Supplemental, Sec. 6.)

          The Company has reserved  the right to amend the Mortgage, without any
     consent or other action by holders of the Bonds of the Eighteenth Series or
     of Bonds of any subsequently  created series (including the New Bonds),  in
     the following respects:

          Release and Substitution of Property.  To permit the release of
          property at the lesser of its cost or its fair value at the time that
          such property became funded property, rather than at its fair value at
          the time of its release; and to facilitate the release of unfunded
          property.  (See Mortgage, Secs. 3, 59 and 60 and Eighteenth
          Supplemental, Sec. 2.03.)
          
          Issuance of Additional Bonds.  To clarify that (i) for purposes of
          determining annual interest requirements, interest on Bonds or other
          indebtedness bearing interest at a variable interest rate shall be
          computed at the average of the interest rates borne by such Bonds or
          other indebtedness during the period of calculation, or, if such Bonds
          or other indebtedness shall have been issued after such period or
          shall be the subject of pending applications, interest shall be
          computed at the initial rate borne upon issuance, and (ii) no
          extraordinary items shall be included in operating expenses or
          deducted from revenues or other income in calculating adjusted net
          earnings (See Mortgage, Sec. 7); and to revise the basis for the
          issuance of additional Bonds from 60% of property additions, after
          adjustments to offset retirements, to 70%.  (See Mortgage, Secs. 25,
          26, 59 and 61 and Eighteenth Supplemental, Secs. 2.01 and 2.02.)


          The Corporate Trustee

               Bankers Trust Company also serves as the Indenture Trustee under
          the Indenture under which the Company's Unsecured Medium-Term Notes
          are issued.


                             DESCRIPTION OF COMMON STOCK

          The  following is a  summary of certain  rights and privileges  of the
     Common Stock.   This summary does not purport to be complete.  Reference is
     made  to  the Restated  Articles of  Incorporation  and the  Bylaws  of the
     Company,  filed as  exhibits to  the Registration  Statement, for  complete
     statements.   The following statements  are qualified in  their entirety by
     such references.

          Dividends and Liquidation  Rights:  Except as  hereinafter stated, the
     Common  Stock is entitled to receive such  dividends as are declared by the
     Board of Directors and  to receive ratably on liquidation any  assets which
     remain   after  payment  of  liabilities.    The  Company's  Preferred  and
     Preference Stock  are entitled  in preference to  the Common  Stock (1)  to
     cumulative dividends at the annual rate  fixed for each series by the Board
     of  Directors, and  (2) in  voluntary and  involuntary liquidation,  to the
     amounts fixed for each series by the Board of Directors, plus in each case,
     unpaid accumulated dividends.

                                          5

     <PAGE>

          Dividend Limitations:  Should dividends on either the Preferred or the
     Preference Stock  be in arrears,  no dividends on  the Common Stock  may be
     paid or declared.  Except with the consent of  the holders of a majority of
     the Preferred Stock then  outstanding, no dividends on the Common  Stock or
     the Preference  Stock may be  paid or declared  unless the  Preferred Stock
     purchase and  sinking fund obligations have been met for that year.  Future
     series of the Preferred or the Preference Stock could contain sinking fund,
     purchase or redemption obligations  under which no dividends on  the Common
     Stock  may be  paid  or declared  while such  obligations  are in  default.
     Common Stock dividends also may  be restricted by the provisions of  future
     instruments pursuant to which the Company may issue long-term debt.

          Voting Rights:  Except as provided by law or as  described below, only
     the Common Stock has voting rights.   Cumulative voting is permitted by the
     Restated  Articles of Incorporation to holders of Common Stock at elections
     of  directors.   The Preferred  Stock has  the special  right to  elect the
     smallest number of directors  which constitutes at least one-fourth  of the
     total  number  of directors,  or two  directors,  whichever is  greater, if
     payments  of four  quarterly dividends or  more on  any share  or shares of
     Preferred Stock should be in arrears.

          Classification of the  Board of Directors:  The  Board of Directors of
     the Company may  consist of not less than nine nor more than 13 persons, as
     determined by  the Board,  divided into  three classes  as nearly equal  in
     number as possible.   The current number  is twelve.  One  class is elected
     for a three-year term at  each annual meeting of shareholders.   Vacancies,
     including those resulting from an increase in the size of the Board, may be
     filled by a majority vote of the directors then  in office.  One or more of
     the directors  may be  removed, with or  without cause, by  the affirmative
     vote of  the holders of not less than  two-thirds of the shares entitled to
     vote thereon; provided,  however, that if fewer  than all of the  directors
     should be  candidates for removal, no  one of them shall be  removed if the
     votes cast against  such director's  removal would be  sufficient to  elect
     such director if  then cumulatively voted  at an election  of the class  of
     directors of which such director shall be a part.  Except for those persons
     nominated  by the  Board, no  person shall  be eligible  for election  as a
     director unless  a  request from  a  shareholder entitled  to vote  in  the
     election  of  directors that  such person  be  nominated and  such person's
     consent thereto  shall be  delivered to  the  Secretary of  the Company  in
     advance of the meeting at which such election shall be held.  The foregoing
     provisions may not be amended or repealed except by the affirmative vote of
     the holders of  not less than two-thirds of the shares  entitled to vote at
     an  election of  directors.   The  foregoing provisions  will not  apply to
     directors, if any, elected by the holders of the Preferred Stock.

          Transactions with Related Persons:   The Company shall not  enter into
     any business transaction with a related person or in which a related person
     shall  have an  interest (except  proportionately as  a shareholder  of the
     Company)  without  first obtaining  both (1)  the  affirmative vote  of the
     holders  of not  less  than two-thirds  of  the outstanding  shares  of the
     capital stock of the  Company not held by such related  person, and (2) the
     determination of  a majority of the  continuing directors that the  cash or
     fair market value of the property, securities  or other consideration to be
     received per share by the  holders, other than such related person,  of the
     shares of each class or  series of the capital stock of the Company in such
     business transaction shall not be less than the highest purchase price paid
     by  such related person in acquiring  any of its holdings  of shares of the
     same class  or series, unless the  continuing directors by a  majority vote
     shall either (a) have expressly  approved the acquisition of the shares  of
     the capital  stock of the Company that caused such related person to become
     a related person, or (b) have expressly approved such business transaction.
     As used  in this  paragraph:  a  "business transaction" includes  a merger,
     consolidation, reorganization or recapitalization, a purchase, sale, lease,
     exchange or  mortgage of  all or a  substantial part (10%  or more)  of the
     property of the Company or a  related person, an issuance, sale or exchange
     of  securities  and  a  liquidation, spin-off  or  dissolution;  a "related
     person" includes a person, organization or group thereof owning 10% or more
     of the capital stock of the Company; "continuing directors" are those whose
     nominations for directorship shall have been  approved by a majority of the
     directors in  office  on  April  9, 1984  or  by  a majority  of  the  then
     continuing  directors.   The  foregoing provisions  may  not be  amended or
     repealed  except by the  affirmative vote of  the holders of  not less than
     two-thirds of  the shares of the  capital stock of the  Company (other than
     shares held by related persons).

          Preemptive Rights:  The holders of the Common Stock have no preemptive
     rights.
     
          Other Provisions:  The  issued and outstanding shares of  Common Stock
     are,  and the shares of  the New Common Stock, if  any, will be, fully paid
     and nonassessable.

          Transfer Agent and Registrar:   The Company is the transfer  agent and
     registrar for the Common Stock. 

                                          6

     <PAGE>

                                 PLAN OF DISTRIBUTION

          The Company may sell the Securities in any of three ways:  (i) through
     underwriters or dealers; (ii) directly to a limited number of purchasers or
     to a single purchaser; or (iii) through agents.  Each Prospectus Supplement
     will set forth the terms of the offering of the Securities offered thereby,
     including the name or names of any underwriters, the purchase price of such
     Securities and the proceeds to the Company from such sale, any underwriting
     discounts and  other  items constituting  underwriters'  compensation,  any
     initial public offering price  and any discounts or concessions  allowed or
     reallowed or  paid to dealers.   Any initial public offering  price and any
     discounts or concessions  allowed or reallowed  or paid to  dealers may  be
     changed from time to time.

          If underwriters are used in the  sale, the Securities will be acquired
     by the underwriters for their own account and may be sold from time to time
     in  one or more transactions, including negotiated transactions, at a fixed
     public offering  price or at varying  prices determined at the  time of the
     sale.   The  Securities  may  be  offered  to  the  public  either  through
     underwriting syndicates represented by one or more managing underwriters as
     may be designated by the Company, or directly by one or more of such firms.
     The underwriter or underwriters with  respect to a particular  underwritten
     offering  of Securities will be named in the Prospectus Supplement relating
     to  such offering and, if  an underwriting syndicate  is used, the managing
     underwriter  or underwriters will  be set forth  on the cover  page of such
     Prospectus  Supplement.    Unless  otherwise  set  forth  in  a  Prospectus
     Supplement, the obligations of the underwriters to purchase  the Securities
     offered  thereby will be subject  to certain conditions  precedent, and the
     underwriters will be  obligated to purchase all such  Securities if any are
     purchased.

          Securities  may  be sold  directly by  the  Company or  through agents
     designated  by the Company  from time to time.   Each Prospectus Supplement
     will set forth the name of any agent  involved in the offer or sale of  the
     Securities in respect of  which such Prospectus Supplement is  delivered as
     well  as any  commissions payable  by the  Company to  such agent.   Unless
     otherwise indicated in such  Prospectus Supplement, any such agent  will be
     acting on a best efforts basis for the period of its appointment.

          If so indicated in a Prospectus Supplement, the Company will authorize
     agents, underwriters  or dealers  to  solicit offers  by certain  specified
     institutions to purchase the Securities offered thereby from the Company at
     the  public offering price set forth in such Prospectus Supplement pursuant
     to  delayed  delivery contracts  providing for  payment  and delivery  on a
     specified date  in the  future.   Such contracts will  be subject  to those
     conditions  set forth in such  Prospectus Supplement, which  will set forth
     the commission payable for solicitation of such contracts.

          Agents and underwriters may be entitled under  agreements entered into
     with  the Company to indemnification  by the Company  against certain civil
     liabilities,  including liabilities  under the  Securities Act of  1933, as
     amended.
     

                                       EXPERTS

          The  financial statements  and  the financial  statement schedules  of
     Northwest Natural  Gas Company incorporated in this Prospectus by reference
     from  the  Company's  Annual Report  on  Form  10-K, have  been  audited by
     Deloitte & Touche, independent  auditors, as stated in their  report, which
     is  incorporated  herein by  reference, and  have  been so  incorporated in
     reliance  upon  the report  of  such firm,  given  upon their  authority as
     experts in accounting and auditing.

          With respect to the unaudited  interim financial information which  is
     incorporated  herein by  reference, Deloitte &  Touche has  applied limited
     procedures in accordance with  professional standards for a review  of such
     information.  However, as stated in their reports included in the Company's
     Quarterly Reports on Form  10-Q and incorporated by reference  herein, they
     did not audit and  they do not express an opinion on that interim financial
     information.  Accordingly, the degree of  reliance on their reports on such
     information  should be restricted  in light  of the  limited nature  of the
     review  procedures  applied.   Deloitte  & Touche  is  not  subject to  the
     liability  provisions of  Section  11 of  the  Securities Act  of  1933, as
     amended, for  their reports on the unaudited  interim financial information
     because such  reports are  not "reports"  or a  "part" of  the registration
     statement  prepared or  certified by  an accountant  within the  meaning of
     Sections 7 and 11 of the Act.

          The statements  made as to matters of law and legal conclusions in the
     documents  incorporated   in  this   Prospectus  by  reference   and  under
     "Description of  the New  Bonds"  and "Description of Common  Stock" herein
     and, if any, in  the accompanying Prospectus Supplement have  been reviewed
     by Bruce  B. Samson,  Esquire,  Portland, Oregon.   Mr.  
     
                                          7
     
     <PAGE>

     Samson is  General Counsel of the Company.  These  statements and 
     conclusions are set forth in reliance upon  the opinion of  Mr. Samson  
     given upon his  authority as  an expert.  As of March 31, 1994, Mr. Samson 
     owned  approximately 2,802 shares of the Company's common stock (including 
     1,009 shares through the Company's Retirement  K Savings Plan) and has  
     been granted options to purchase 8,000 additional shares  at a price of  
     $24.875 and 2,000 additional  shares at a price of  $36.00, the  market 
     prices  of the  shares on  the dates of  such grants.   Mr. Samson's 
     shares,  including the underlying  shares subject to options granted to  
     him, have a current fair market  value of approximately $412,865.


                                       LEGALITY

          The legality of the Securities will be passed upon for  the Company by
     Mr. Samson and by Reid & Priest, New York, New York.  Certain legal matters
     will be passed upon for  the Underwriters by Simpson Thacher &  Bartlett (a
     partnership which includes professional  corporations), New York, New York.
     However, all matters pertaining  to titles, the lien and  enforceability of
     the Mortgage, franchises and all other matters of Oregon and Washington law
     will be passed upon only by Mr. Samson.

                                          8                                    

     <PAGE>
     
     ===========================================================================
     
          NO DEALER,  SALESMAN OR OTHER PERSON  HAS BEEN AUTHORIZED TO  GIVE ANY
     INFORMATION  OR TO MAKE ANY  REPRESENTATIONS OTHER THAN  THOSE CONTAINED IN
     THIS  PROSPECTUS SUPPLEMENT AND THE PROSPECTUS IN CONNECTION WITH THE OFFER
     CONTAINED IN THIS PROSPECTUS  SUPPLEMENT AND THE PROSPECTUS, AND,  IF GIVEN
     OR  MADE, SUCH  INFORMATION OR REPRESENTATIONS  MUST NOT BE  RELIED UPON AS
     HAVING BEEN AUTHORIZED  BY THE  COMPANY OR THE  UNDERWRITERS.  NEITHER  THE
     DELIVERY OF THIS PROSPECTUS SUPPLEMENT AND THE PROSPECTUS NOR ANY SALE MADE
     HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THERE
     HAS BEEN NO CHANGE IN THE AFFAIRS OF THE COMPANY SINCE THE DATE AS OF WHICH
     INFORMATION  IS GIVEN  IN THIS  PROSPECTUS SUPPLEMENT  AND  THE PROSPECTUS.
     THIS PROSPECTUS SUPPLEMENT AND THE PROSPECTUS DO NOT CONSTITUTE AN OFFER OR
     SOLICITATION  BY  ANYONE  IN  ANY  JURISDICTION  IN  WHICH  SUCH  OFFER  OR
     SOLICITATION IS NOT AUTHORIZED OR IN WHICH THE PERSON MAKING  SUCH OFFER OR
     SOLICITATION IS NOT QUALIFIED TO DO SO OR TO ANYONE TO  WHOM IT IS UNLAWFUL
     TO MAKE SUCH OFFER OR SOLICITATION.

                                  TABLE OF CONTENTS

                                 Prospectus Suplement
                                                                           PAGE
                                                                           ----
     Summary Information................................................    S-2
     Selected Financial Information.....................................    S-3
     The Company........................................................    S-4
     Use of Proceeds....................................................    S-4
     Dividends and Price Range..........................................    S-5
     Underwriting.......................................................    S-6
     Experts............................................................    S-7
     Legality...........................................................    S-7


                                      Prospectus

     Available Information..............................................      2
     Incorporation of Certain Documents by Reference....................      2
     The Company........................................................      2
     Ratio of Earnings to Fixed Charges.................................      3
     Use of Proceeds and Financing Program..............................      3
     Description of the New Bonds.......................................      3
     Description of Common Stock........................................      5
     Plan of Distribution...............................................      7
     Experts............................................................      7
     Legality...........................................................      8


     ==========================================================================
     
     ==========================================================================
     

                                   1,000,000 SHARES


                                      NORTHWEST
                                 NATURAL GAS COMPANY


                                     COMMON STOCK
                                     


                      -----------------------------------------
                      P R O S P E C T U S   S U P P L E M E N T
                      -----------------------------------------



                                 MERRILL LYNCH & CO.

                                  SMITH BARNEY INC.

                              A.G. EDWARDS & SONS, INC.




                                  FEBRUARY 15, 1995


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