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?

Check out the latest edition of our quarterly newsletter Open Space Views.

Exciting outdoor day camp for kids entering grades 2 - 6 at Summer Nature Adventures July 20 -24!

See the award winning photos from the 2015 Photo Contest.

Major and notable projects and milestones are highlighted in the 2014-15 Accomplishments Report.

The new Ancient Oaks Trail Extension at Russian Ridge OSP is now open!

Upcoming Activities