Adobe Gulch

Adobe Gulch
Adobe Gulch Location in California
Long-axis length	1.2 miles (1.9 km)
Geography
Coordinates	37°29′53″N 122°20′51″W / 37.4979943°N 122.347471°W / 37.4979943; -122.347471Coordinates: 37°29′53″N 122°20′51″W / 37.4979943°N 122.347471°W / 37.4979943; -122.347471

Adobe Gulch is a valley in San Mateo County, California, about 1.2 miles (1.9 km) long, located on the west side of Upper Crystal Springs Reservoir.