Welcome to the Arrillaga Recreation Center at SLAC. Located at the SLAC National Accelerator Laboratory, this 17,600-square-foot facility and the 7.5-acre recreation grounds contribute to the health and wellness of the laboratory’s employees and visiting scientists. The rec center is the sixth Stanford University sports facility to bear the name of donor John Arrillaga and his family.


You must be a SLAC employee or guest to access the recreation center. *All* personnel *must* fill out a liability waiver form prior to using the Center! No exceptions. A SLAC Badge is required to get to the Rec Center (to get past Gate 17)


Facility is staffed Monday – Friday 6:00 AM – 7:00 PM
SLAC Employees can use their keycard outside of these hours.


Arrillaga Rec Center at SLAC (ARCAS)
2575 Sand Hill Road
Building 55 (Eastern SLAC, on Pep Ring Road north of Building 901)
Menlo Park, CA 94025
ARCAS Front Desk 650-926-3313

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