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?

Midpen receives AAA Rating, will begin issuing Green Bonds

Now Hiring for multiple positions. Put your passion for open space to work!

Visit the new Midpen Store to purchase logowear and more!

Upcoming Board of Directors election in November.

Find out what's happening in our preserves in the July e-news!

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

Upcoming Activities

August 30, 2016
September 3, 2016
September 3, 2016