NOTICE OF GUARANTEED DELIVERY
                                       FOR
           13% FIRST MORTGAGE NOTES DUE 2005 WITH CONTINGENT INTEREST
                                       OF
                            RIVIERA BLACK HAWK, INC.



          As  set  forth  in  the  Prospectus  dated  _____________,  1999  (the
"Prospectus")   of  Riviera  Black  Hawk,   Inc.  (the  "Company")  and  in  the
accompanying  Letter of Transmittal (the "Letter of Transmittal"),  this form or
one  substantially  equivalent hereto must be used to accept the Company's offer
to exchange (the  "Exchange  Offer") all of its  outstanding  13% First Mortgage
Notes due 2005 With Contingent Interest (the "Existing Notes") for its 13% First
Mortgage  Notes due 2005 With  Contingent  Interest  which have been  registered
under the Securities Act of 1933, as amended,  if certificates  for the Existing
Notes are not  immediately  available  or if the Existing  Notes,  the Letter of
Transmittal or any other documents  required  thereby cannot be delivered to the
Exchange  Agent,  or the procedure for book-entry  transfer cannot be completed,
prior to 5:00  P.M.,  New York City time,  on the  Expiration  Date (as  defined
below).  This  form  may be  delivered  by an  Eligible  Institution  by hand or
transmitted by facsimile transmission, overnight courier or mail to the Exchange
Agent as set forth below. Capitalized terms used but not defined herein have the
meaning given to them in the Prospectus.

          THE EXCHANGE  OFFER WILL EXPIRE AT 5:00 P.M.,  NEW YORK CITY TIME,  ON
_____________,  1998,  UNLESS THE OFFER IS  EXTENDED  (THE  "EXPIRATION  DATE").
TENDERS OF EXISTING NOTES MAY BE WITHDRAWN AT ANY TIME PRIOR TO 5:00 P.M. ON THE
EXPIRATION DATE.

                     To: IBJ Whitehall Bank & Trust Company
                               The Exchange Agent


                                                                    
                             By Mail:                                                  By Hand before 4:30 p.m.:
                IBJ Whitehall Bank & Trust Company                                IBJ Whitehall Bank & Trust Company
                           P.O. Box 84                                                     One State Street
                      Bowling Green Station                                            New York, New York 10004
                  New York, New York 10274-0084                        Attn: Securities Processing Window, Subcellar One, (SC-1)
            Attn: Reorganization Operations Department
                                                                                             By Facsimile:
        By Overnight Courier and by Hand after 4:30 p.m.:                                   (212) 858-2611
                IBJ Whitehall Bank & Trust Company
                         One State Street                                                Confirm by Telephone:
                     New York, New York 10004                                               (212) 858-2103
    Attn: Securities Processing Window, Subcellar One, (SC-1)



          DELIVERY  OF  THIS  INSTRUMENT  TO  AN  ADDRESS,  OR  TRANSMISSION  OF
INSTRUCTIONS VIA FACSIMILE,  OTHER THAN AS SET FORTH ABOVE DOES NOT CONSTITUTE A
VALID DELIVERY.

          This form is not to be used to guarantee signatures. If a signature on
the Letter of Transmittal to be used to tender  Existing Notes is required to be
guaranteed by an "Eligible  Institution"  under the instructions  thereto,  such
signature  guarantee must appear in the space provided therefor in the Letter of
Transmittal.




Ladies and Gentlemen:

          The  undersigned  hereby  tenders to the  Company,  upon the terms and
subject  to the  conditions  set  forth  in the  Prospectus  and the  Letter  of
Transmittal (which together  constitute the "Exchange Offer"),  receipt of which
are hereby  acknowledged,  (fill in number of  Existing  Notes)  Existing  Notes
pursuant to the guaranteed  delivery  procedures set forth in the Prospectus and
Instruction 1 of the Letter of Transmittal.

          The  undersigned  understands  that tenders of Existing  Notes will be
accepted  only in  principal  amounts  equal to  $1,000  or  integral  multiples
thereof. The undersigned  understands that tenders of Existing Notes pursuant to
the Exchange Offer may not be withdrawn  after 5:00 p.m., New York City time, on
the Expiration Date.

          All  authority  herein  conferred  or agreed to be  conferred  by this
Notice of Guaranteed Delivery shall survive the death, incapacity or dissolution
of the undersigned and every obligation of the undersigned  under this Notice of
Guaranteed Delivery shall be binding upon the heirs,  personal  representatives,
executors, administrators, successors, assigns, trustees in bankruptcy and other
legal representatives of the undersigned.

            NOTE: SIGNATURES MUST BE PROVIDED WHERE INDICATED BELOW.

Certificate No(s). for Existing Notes          Name(s) of Record Holder(s):
(if available):

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

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

                                               PLEASE PRINT OR TYPE
Principal Amount of Existing Notes:
                                               Address:

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

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

If Existing Notes will be delivered            Area code and Tel. No.
by book-entry transfer at the                                        -----------
Depository Trust Company,
Depository Account No.:
                                               Signature(s):
- --------------------------------------
                                               ---------------------------------

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

                                               Dated:                    , 1999
                                                     --------------------





          This Notice of Guaranteed  Delivery  must be signed by the  registered
holder(s)  of Existing  Notes  exactly as its (their)  name(s)  appear(s) on the
certificate(s)  for Existing Notes covered hereby or on a DTC security  position
listing  naming it (them) as the owner of such Existing  Notes,  or by person(s)
authorized  to  become  registered   holder(s)  by  endorsements  and  documents
transmitted  with this  Notice of  Guaranteed  Delivery.  If  signature  is by a
trustee, executor, administrator,  guardian, attorney-in-fact,  officer or other
person acting in a fiduciary or  representative  capacity,  such  person(s) must
provide the following information:

                 Please print name(s), title(s) and address(es)


Name(s):
        ------------------------------------------------------------------------

Capacity(ies):
              ------------------------------------------------------------------


Address(es):
            --------------------------------------------------------------------




                                    GUARANTEE
                    (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.,  or a
commercial bank or trust company having an office or correspondent in the United
States or an "Eligible  Guarantor  Institution" as defined in Rule 17Ad-15 under
the Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby (a)
represents  that the tender of Existing Notes effected hereby complies with Rule
14e-4 under the Exchange Act and (b) guarantees to deliver to the Exchange Agent
a certificate or certificates  representing  the Existing Notes tendered hereby,
in proper form for transfer (or a  confirmation  of the  book-entry  transfer of
such Existing Notes into the Exchange  Agent's  account at DTC,  pursuant to the
procedures for book-entry transfer set forth in the Prospectus),  and a properly
completed and duly executed Letter of Transmittal (or manually signed  facsimile
thereof) together with any required signatures and any other required documents,
at one of the Exchange Agent's  addresses set forth above,  within five New York
Stock  Exchange  trading  days  after the date of  execution  of this  Notice of
Guaranteed Delivery.

          THE  UNDERSIGNED  ACKNOWLEDGES  THAT IT MUST  DELIVER  THE  LETTER  OF
TRANSMITTAL  AND EXISTING NOTES TENDERED HEREBY TO THE EXCHANGE AGENT WITHIN THE
TIME PERIOD  SPECIFIED FORTH ABOVE AND THAT ANY FAILURE TO DO SO COULD RESULT IN
FINANCIAL LOSS TO THE UNDERSIGNED.


Name of Firm:
             ----------------------------   ------------------------------------
                                                    Authorized Signatures

Address:                                    Name:
        ---------------------------------        -------------------------------
                                                      Please Print or Type

                                            Title:
- -----------------------------------------         ------------------------------
                                 Zip Code
Area Code
and Tel. No.:                               Date:                         , 1998
             ----------------------------        -------------------------

NOTE:DO NOT SEND EXISTING  NOTES WITH THIS FORM;  EXISTING  NOTES SHOULD BE SENT
     WITH YOUR LETTER OF  TRANSMITTAL  SO THAT THEY ARE RECEIVED BY THE EXCHANGE
     AGENT WITHIN THE TIME PERIOD SET FORTH ABOVE.