The Boarders and Stewards of the Monastery (BSM) is a charitable organization founded in 1994 to care for the historic Monastery Complex buildings and grounds in Philadelphia's Fairmount Park, and to promote horsemanship in the Park's Wissahickon Valley.

Monastery Stables after a large repainting project in late 2016

BSM is the caretaker of the Monastery facilities under contract with the Fairmount Park Historic Preservation Trust and is a 501(c)3 non-profit corporation.

Kitchens Lane Stables, Inc. is the company engaged by BSM to manage the operations of Monastery Stables.