Exhibit 23.3



                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



As independent  public  accountants,  we hereby consent to the  incorporation by
reference  in this  registration  statement  on  Form  S-3 of our  report  dated
February  28, 2000 on Iron  Mountain  Europe  Limited's  (f/k/a  Britannia  Data
Management Limited)  consolidated  financial  statements,  as well as our report
dated February 28, 2000 on the supplemental  schedule,  Valuation and Qualifying
Accounts, included in Iron Mountain Incorporated's,  a Pennsylvania corporation,
Annual Report on Form 10-K for the year ended December 31, 1999,  filed with the
Securities  and Exchange  Commission on March 30, 2000 and to all  references to
our Firm included in this registration statement.



                                             /s/ RSM ROBSON RHODES


Birmingham, England
January 17, 2001