Pulgas Ridge Open Space Preserve is a public recreation area in the Santa Cruz Mountains, San Mateo County in northern California. It is managed by the Midpeninsula Regional Open Space District.
The nature reserve covers 366 acres with 6 miles of trails with elevation changes of around 500 feet. Trails provide views of San Francisco Bay and undeveloped hillsides. The reserve hosts the source of Cordilleras Creek.
Wikipedia https://en.wikipedia.org/wiki/Pulgas_Ridge_Open_Space_Preserve
Official Website https://www.openspace.org/preserves/pulgas-ridge
Coordinates 37°28'43.242" N -122°17'30.528" E