The Midpeninsula Regional Open Space District is a regional greenbelt system in the San Francisco Bay Area comprised of over 60,000 acres of land in 26 open space preserves.

What's new?

Construction Notice - Rancho San Antonio

2015-16 Accomplishments Report features major and notable projects and milestones

Automatic External Defibrillators now in all in Emergency Vehicles

Now Hiring - Grants Specialist

Mount Umunhum road closures to begin September 12th

The Ravenswood Bay Trail project will complete a critical missing gap in the Bay Trail.

Upcoming Activities