Pulgas Ridge Open Space Preserve

Pulgas Ridge Open Space Preserve is a protected natural area in San Mateo County featuring an extensive network of trails through diverse forest and grassland habitats. The landscape transitions between dense evergreen forests, open oak woodlands, and seasonal meadows that create varied terrain for walking and exploration.

The site once contained the Hassler Health Farm, a tuberculosis sanatorium owned by San Francisco whose buildings were removed in 1985. The land was later converted into a protected preserve.

Trail names within the preserve recognize local contributors and native wildlife, including the Dusky-Footed Woodrat Trail and Dick Bishop Trail.

Visitors can access the preserve from dawn until 30 minutes after dusk on established trails with varying slopes and natural conditions. A designated section permits dogs to roam without leashes, making it suitable for visitors traveling with pets.

Cordilleras Creek originates within the preserve and flows along a wheelchair-accessible trail that winds through an open meadow. This easily accessible path offers a rare opportunity to follow a waterway from its source while accommodating visitors with mobility considerations.

Location: California

GPS coordinates: 37.47830,-122.29000

Latest update: December 13, 2025 17:01