San Mateo County Trails

Alpine Trail

A 7.6-mile paved trail that loosely follows Alpine Road between Menlo Park and Portola Valley. Bicycles are welcome.... View moreView Alpine Trail

Crystal Springs Regional Trail

Over 15 miles of trail for running, biking, or strolling along the beautiful Peninsula Watershed.... View moreView Crystal Springs Regional Trail

Devil's Slide Trail

A 1.3-mile multi-use trail that gives hikers, runners, bicyclists and equestrians access the rocky heights of Devil’s Slide above the Pacific Ocean.... View moreView Devil's Slide Trail

Old Guadalupe Trail

A paved road that picks up at the entrance of the park and passes through the headwaters of Colma Creek. Horses are welcome.... View moreView Old Guadalupe Trail

Old Ranch Road Trail

A dirt road used primarily by residents of Brisbane to access San Bruno Mountain. Horses area welcome.... View moreView Old Ranch Road Trail

Ralston Bike Trail

A paved 1-mile bicycle, hiking and jogging trail that connects Belmont with the Crystal Springs Trail.... View moreView Ralston Bike Trail
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