UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 5
ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
(X) Check box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue. See Instructions 1(b).
( ) Form 3 Holdings Reported
( ) Form 4 Transactions Reported
1. Name and Address of Reporting Person
   Stewart, Leonard Keith
   
   5241 Spring Mountain Road
   Las Vegas, NV  89102
   USA
2. Issuer Name and Ticker or Trading Symbol
   Southwest Gas Corporation
   SWX
3. IRS or Social Security Number of Reporting Person (Voluntary)
   
4. Statement for Month/Year
   December 31, 1997
5. If Amendment, Date of Original (Month/Year)
   
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
   ( ) Director  ( ) 10% Owner  (X) Officer (give title below) ( ) Other
   (specify below)
   Senior Vice President/Operations
7. Individual or Joint/Group Reporting (Check Applicable Line)
   (X) Form filed by One Reporting Person
   ( ) Form filed by More than One Reporting Person
___________________________________________________________________________________________________________________________________ Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned | ___________________________________________________________________________________________________________________________________| 1. Title of Security |2. |3. |4.Securities Acquired (A) |5.Amount of |6.Dir |7.Nature of Indirect | |Transaction| or Disposed of (D) | Securities |ect | Beneficial Ownership | |Date |Code| | Beneficially |(D)or | | | | | | A/| | Owned at |Indir | | | | | Amount | D | Price | End of Year |ect(I)| | ___________________________________________________________________________________________________________________________________| Common Stock | | | | | |6118 |D | | - -----------------------------------------------------------------------------------------------------------------------------------| Common Stock | | | | | |388 (1) |I |401(k) Plan | - -----------------------------------------------------------------------------------------------------------------------------------| ___________________________________________________________________________________________________________________________________| ___________________________________________________________________________________________________________________________________ Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned | ___________________________________________________________________________________________________________________________________| 1.Title of Derivative |2.Con |3. |4. |5.Number of De |6.Date Exer|7.Title and Amount |8.Price|9.Number |10.|11.Nature of| Security |version |Transaction rivative Secu |cisable and| of Underlying |of Deri|of Deriva |Dir|Indirect | |or Exer |Date |Code| rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial | |cise Pr | | | red(A) or Dis |Date(Month/| |Secu |Securities |(D)|Ownership | |ice of | | | posed of(D) |Day/Year) | |rity |Benefi |or | | |Deriva | | | |Date |Expir| | |ficially |Ind| | |tive | | | | A/|Exer-|ation| Title and Number | |Owned at |ire| | |Secu | | | | D |cisa-|Date | of Shares | |End of |ct | | |rity | | | Amount | |ble | | | |Year |(I)| | ___________________________________________________________________________________________________________________________________| ___________________________________________________________________________________________________________________________________|
Explanation of Responses: (1) Includes 12 shares acquired in March pursuant to the dividend reinvestment feature of the SWX 401(k) plan. SIGNATURE OF REPORTING PERSON L. Keith Stewart by Faye J. Ringler, Attorney in fact DATE 1/30/98