An independent special district in the San Francisco Bay Area that has preserved a regional greenbelt system of over 63,000 acres of public land and manages 26 open space preserves.

What's new?

Mountain Lion activity and trail closures at Rancho San Antonio

Ravenswood Open Space Preserve and parking lot closing for construction beginning August 19.

Join us at a public meeting to learn about wildland fire prevention, preparation and response.

See how to connect with your open space in our August e-newsletter!

Now Hiring for multiple positions

Trail replacement at El Corte de Madera Creek Preserve.

Upcoming Activities

August 25, 2019
August 30, 2019