Enter your best shot in our 10th Annual Photo Contest!
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?
Grantmaking Program submissions close on March 25!
Get the latest Midpen updates in our Spring Newsletter!
Now Hiring for multiple positions
Toxic Mushroom Warning!
Mountain Lion activity at Rancho San Antonio
Upcoming Activities
March 22, 2019
March 23, 2019
March 23, 2019
Registration opens March 28 at 10am
Find out more