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?

Help save the trees! Volunteer at a SOD Blitz.

Now Hiring - Planner II

What's new this month? Find out in our e-newsletter.

New to Hiking? Check out our video for tips on getting started.

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

Join us for Here and Now — a film about partnerships with Native Americans.

Upcoming Activities