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Crystal Springs Trail County Park


Crystal Springs Trail County Park

San Mateo County Parks Department

Recreational area consisting of two multi-use trails.


Crystal Springs Trail County Park consists of two multi-use recreational trails, Sawyer Camp Trail and San Andreas Trail, located adjacent to the Crystal Springs and San Andreas reservoirs. Sawyer Camp Trail is a six-mile asphalt-surfaced trail for bicyclists, hikers, joggers and equestrians. Located between the west end of Hillcrest Blvd. in Millbrae and the west end of Crystal Springs Road in San Mateo. The trail is wheelchair accessible at the south gate in San Mateo. The San Andreas Trail is located between the west end of Hillcrest Blvd in Millbrae and Skyline Blvd in San Bruno. It consists of a 0.6-mile-long dirt section between Hillcrest Blvd and Larkspur Drive in Millbrae and a 1.5-mile-long paved section between Larkspur Drive and Skyline Blvd in San Bruno. The only source of water on the trail is 1/10 mile from the north gate of Sawyer Camp trail, located at the west end of Hillcrest Blvd.


Public Transit:

SAMTRANS stops within 3 blocks of north end of Sawyer Camp Trail located in Millbrae at Hillcrest Blvd. and Skyline Blvd.

Service Options

Accessibility Options:

  • Disabled Parking
  • Disabled Restroom
  • Wheelchair



None. Special event fees for large (30 or more) crowds. Donation boxes provided at Sawyer Camp Trail.


Walkers, runners, bicyclists, nature lovers, families



How to Apply:

Walk in. For large groups with special events call 650-363-4020.

Service Wait Estimate:

No wait.

Service Areas:

  • Alameda County
  • Contra Costa County
  • Marin County
  • San Francisco County
  • San Mateo County
  • Santa Clara County