An independent special district in the San Francisco Bay Area that has preserved a regional greenbelt system of nearly 65,000 acres of public land and manages 26 open space preserves.

What's new?

One-way routes on trails in Rancho San Antonio.

Being in nature has real, quantifiable health benefits.

A letter to the public from the Midpen Board of Directors

Enter your best shot in our 11th Annual Photo Contest

Upcoming Activities