| Russian Ridge Open Space Preserve | |
|---|---|
IUCN category V (protected landscape/seascape) | |
 A flowering meadow dotted with poppies and lupine in spring, Russian Ridge, Silicon Valley, CA, USA | |
   | |
| Location | San Mateo County, California, USA |
| Nearest city | Redwood City, California |
| Coordinates | 37°18′47″N 122°12′53″W / 37.31306°N 122.21472°W |
| Area | 3,137 acres (12.69 km2) |
| Established | 1978 |
| Governing body | Midpeninsula Regional Open Space District |
Russian Ridge Open Space Preserve is a regional park located in the Santa Cruz Mountains in San Mateo County, California along the San Francisco Peninsula. Its 3,137 acres (1,269 ha) and 10.4 miles (16.7 km) of trails are managed by the Midpeninsula Regional Open Space District.[1]