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?

Visit the new Midpen Store to purchase logowear and more!

Join our team! Now Hiring for multiple positions.

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

What's happening in May? Find out in our monthly e-newsletter.

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.