Windy Hill Open Space Preserve

San Mateo County, California · Regional Open Space Preserve

A 1,414-acre open space preserve near Portola Valley managed by the Midpeninsula Regional Open Space District. Features breezy grassland ridges, redwood and oak forests, and ~14 miles of trails popular for hiking, mountain biking, trail running, and equestrian use.

Top trails

• Windy Hill Loop — 6.6 mi loop
• Spring Ridge Trail, Windy Hill, Lost Trail, and Razorback Ridge Loop — 9.4 mi loop

Visiting

Fees — General Admission: $0, Parking: $0.

Parking: The main lower lot on Portola Road fills quickly on busy days; overflow is available at Portola Valley Town Center approximately 0.4 miles north. Several smaller roadside lots along Skyline Blvd (6–11 spaces each) serve the upper trailheads.. Dogs allowed on leash. Phone: (650) 691-1200.

Coordinates: 37.3625, -122.2315. Official website.

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