Exhibit 99.6

                         NOTICE OF GUARANTEED DELIVERY
 
                                 for Tender of
             8 3/4% Senior Subordinated Notes Due January 1, 2009
                           (the "Outstanding Notes")
 
                                      of
 
                        Mohegan Tribal Gaming Authority
 
  This Notice of Guaranteed Delivery, or one substantially equivalent to this
form, must be used to tender Outstanding Notes pursuant to the Exchange Offer
described in the Prospectus dated April  , 1999 (as the same may be amended or
supplemented from time to time, the "Prospectus") of Mohegan Tribal Gaming
Authority (the "Authority"), if certificates for the Outstanding Notes are not
immediately available, or time will not permit the Outstanding Notes, the
Letter of Transmittal and all other required documents to be delivered to
State Street Bank and Trust Company (the "Exchange Agent") prior to 5:00 p.m.,
New York City time, on [June 2,] 1999 or such later date and time to which the
Exchange Offer may be extended (the "Expiration Date"), or the procedures for
delivery by book-entry transfer cannot be completed on a timely basis. This
Notice of Guaranteed Delivery, or one substantially equivalent to this form,
must be delivered by hand or sent by facsimile transmission or mail to the
Exchange Agent, and must be received by the Exchange Agent prior to the
Expiration Date. See "The Exchange Offer--Procedures for Tendering Outstanding
Notes" in the Prospectus. Capitalized terms used but not defined herein shall
have the same meaning given them in the Prospectus.
 
                 The Exchange Agent for the Exchange Offer is:
 
                      STATE STREET BANK AND TRUST COMPANY
 
       By Facsimile:                 By Mail:          By Hand before 4:30 p.m.:

      (617) 664-5290           State Street Bank and    State Street Bank and
    Attention: Customer            Trust Company             Trust Company    
    Service Confirm by            Corporate Trust           Corporate Trust   
Telephone to: (617) 664-5249        Department                Department      
                                   P.O. Box 778         Two International Place
                                 Boston, MA 02102              --4th Floor    
                               Attention: Ralph Jones       Boston, MA 02110  
                                                         Attention: Ralph Jones
 
               By Overnight Courier and By Hand after 4:30 p.m.:

                      State Street Bank and Trust Company
                          Corporate Trust Department
                      Two International Place--4th Floor
                               Boston, MA 02110
                            Attention: Ralph Jones
 
DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS SET
FORTH ABOVE OR TRANSMISSION OF THIS NOTICE OF GUARANTEED DELIVERY VIA FACSIMILE
OTHER THAN AS SET FORTH ABOVE DOES NOT CONSTITUTE A VALID DELIVERY.
 
  This Notice of Guaranteed Delivery is not to be used to guarantee
signatures. If a signature on a Letter of Transmittal is required to be
guaranteed by an "Eligible Institution" under the instructions thereto, such
signature guarantee must appear in the applicable space provided in the
signature box on the Letter of Transmittal.

 
Ladies and Gentlemen:
 
  The undersigned hereby tenders to the Authority, upon the terms and subject
to the conditions set forth in the Prospectus and the related Letter of
Transmittal, the Outstanding Notes indicated below pursuant to the guaranteed
delivery procedures set forth in the Prospectus under the caption "The
Exchange Offer--Procedures for Tendering Outstanding Notes."
 
Name(s) of Registered Holder(s): ______________________________________________
                                          (Please Print or Type)
Signature(s): _________________________________________________________________
Address(es): __________________________________________________________________
_______________________________________________________________________________
Area Code(s) and Telephone Number(s): _________________________________________
Account Number: _______________________________________________________________
Date: _________________________________________________________________________
 
       Certificate No(s).                    Principal Amount of Outstanding
         (if available)                              Notes Tendered*
_________________________________         _____________________________________
_________________________________         _____________________________________
_________________________________         _____________________________________
_________________________________         _____________________________________
_________________________________         _____________________________________
_________________________________         _____________________________________
 
* Must be in integral multiples of $1,000 principal amount.
 
                             GUARANTEE OF DELIVERY
                   (Not to be used for signature guarantee)
 
  The undersigned, a member firm of a registered national securities exchange
or of the National Association of Securities Dealers, Inc., a commercial bank
or trust company having an office or a correspondent in the United States or
an "eligible guarantor institution" within the meaning of Rule 17Ad-15 under
the Securities Exchange Act of 1934, as amended, hereby guarantees that the
undersigned will deliver to the Exchange Agent the certificates representing
the Outstanding Notes being tendered hereby in proper form for transfer (or a
confirmation of book-entry transfer of such Outstanding Notes, into the
Exchange Agent's account at the book-entry transfer facility of The Depository
Trust Company ("DTC")) with delivery of a properly completed and duly executed
Letter of Transmittal (or facsimile thereof), with any required signature
guarantees and any other required documents, all within three New York Stock
Exchange trading days after the date of execution of the Notice of Guaranteed
Delivery.
 
Name of Firm: ___________________         _____________________________________
Address: ________________________                 Authorized Signature
_________________________________         Name: _______________________________
                         Zip Code                 Please Print or Type
Telephone No.: __________________         Title: ______________________________
                                          Dated: ______________________________
 
  The institution that completes this form must communicate the guarantee to
the Exchange Agent and must deliver the certificates representing any
Outstanding Notes (or a confirmation of book-entry transfer of such
Outstanding Notes into the Exchange Agent's account at DTC) and the Letter of
Transmittal to the Exchange Agent within the time period shown herein. Failure
to do so could result in a financial loss to such institution.
 
                                       2