San Pedro Mountain Open Space Preserve

Marin County, California · Open Space Preserve

A 358-acre Marin County preserve rising above San Rafael, featuring forested slopes of oak, bay, and madrone, springtime wildflower meadows, and sweeping views of San Pablo Bay. Connects to China Camp State Park and Henry Barbier Park.

Top trails

• Wood Oaks Trail — 4.4 mi · Loop

Visiting

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

Parking: [verified 2026-08-17] Cleared: these values were extracted from San Pedro VALLEY Park (County of San Mateo) pages, a different park ~40 miles away, wrongly attached to this Marin County preserve. San Pedro Mountain OSP is undeveloped open space..

Coordinates: 37.9957, -122.5059.

Get the Explore app for offline maps, live conditions, and every spot in California. Data sources.