Exhibit 23.1



                    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 the  consolidated  financial  statements  of Iron  Mountain
Incoporated, a Delaware corporation, and its subsidiaries, 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/ ARTHUR ANDERSEN LLP


Boston, Massachusetts
January 17, 2001