Who We Are

The Midpeninsula Regional Open Space District is a regional greenbelt system in the San Francisco Bay Area. It is comprised of over 60,000 acres of land in 26 open space preserves protected for public enjoyment, making a preserve system of diverse and unparalleled beauty in one of the largest metropolitan areas in the country. 

Our Preserves

Preserves include redwood, oak, and fir forests, chaparral-covered hillsides, riparian corridors, grasslands, and wetlands along the San Francisco Bay. Ranging from 55 to over 18,000 acres, 24 preserves are open to the public free of charge, 365 days a year. Visitors will find over 225 miles of trails, ranging from easy to challenging terrain.

Mission Statement

To acquire and preserve a regional greenbelt of open space land in perpetuity, protect and restore the natural environment, and provide opportunities for ecologically sensitive public enjoyment and education.

Coastal Protection Program

Through its Coastal Protection Area Service Plan the District is committed to protecting our coastal watershed and agricultural lands and preserving the rural character of the region. Learn more


Public Information

Information about the management and operations of the District. Here you can find information about Board Meetings, Strategic Plan, and Measure AA.Learn more

Leadership and Staff

The District administrative staff members are located at the administrative office in Los Altos.Learn more


Check back here to get the latest updates about what Midpen is up to. You can also follow us on Facebook and Twitter!Learn more
Employees working

Employment Opportunities

Put your passion for open space to work!Learn more
Toto Ranch


The Midpeninsula Regional Open Space District was created by voter initiative in 1972.Learn more

Contact Us

Our Administrative Office is located at 330 Distel Circle, Los Altos, CA 94022. Or reach us by phone: (650) 691-1200; fax: (650) 691-0485; or email: info@openspace.orgLearn more