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About the Preserve

Wyethia glabra in bloom at Jasper Ridge Biological Preserve

Our Mission
To contribute to the understanding of the Earth’s natural systems through research, education, and protection of the preserve’s resources.

Our Vision
To be a leader for innovation in research, education, and communication on natural systems, through providing an interdisciplinary, cross-cultural, and place-based training ground for effective Earth stewardship by our community and the next generations of global leaders.

Our Pledge
To be a safe and welcoming place for discovery, discussion, and community for people of all cultures and identities.

The careful management of the preserve's ecosystems in as natural a state as possible allows scientists to quantify changes observed in similar ecosystems affected by a range of human impacts. In addition to facilitating first-rate research, this highly accessible field station provides undergraduate educational experiences and plays an active role in educating the general public.


Download Jasper Ridge Biological Preserve Annual Reports in PDF Format

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An exploration of Jasper Ridge Biological Preserve, focusing on current student and faculty research projects, community outreach programs, and the natural beauty of Stanford's unique outdoor laboratory.

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Site Characterization Information

Location:  A low ridge in the eastern foothills of the Santa Cruz Mountains at the base of the San Francisco Peninsula, 7 kilometers west of the main Stanford University campus, San Mateo County, CA.
Latitude: 37.404001°N
Longitude: 122.228781°W
USGS Maps: Palo Alto 7.5' shows the entire preserve; Woodside and La Honda 7.5' include the rest of the San Francisquito Creek watershed.

Size: 483 hectares (1,193 acres) owned by Stanford University. Maximum East-West dimension about 4 km; maximum North-South dimension about 2 km.

Elevation: 61.6 - 211.5 meters (202.1 - 693.9 feet)
Climate: Mediterranean.
Precipitation: 652 millimeters (26 inches) per year for water years 1975-2004.
Topography: the preserve covers the northern half of Jasper Ridge, a long, flat-topped ridge with a northwest-southeast axis within the San Francisquito Creek watershed. Northeast and southwest exposures flanking the ridge drain into streams, wetlands, or a eutrophic lake within the Preserve.
The south half of what is referred to as Jasper Ridge is outside the preserve boundary and part of the Town of Portola Valley

Aerial view of Jasper Ridge Biological Preserve

Aerial view of Jasper Ridge Biological Preserve


Location of Jasper Ridge Biological Preserve relative to main Stanford campus

Location of Jasper Ridge Biological Preserve in relation to main Stanford University campus and surrounding communities