Crystal Springs Regional Trail

Crystal Springs Dam is a gravity dam constructed across the San Mateo Creek which is in San Mateo County, California. It impounds water to form the Lower Crystal Springs Reservoir which sits atop the San Andreas Fault in a rift valley created by the fault. The dam itself is located about 300 yards (273 meters) east of the fault.

The Flintstone House is a free-form, single-family residence in Hillsborough, California overlooking and easily seen from the Doran Memorial Bridge carrying Interstate 280 over San Mateo Creek.

Crystal Springs Reservoir is a pair of artificial lakes located in the northern Santa Cruz Mountains of San Mateo County, California situated in the rift valley created by the San Andreas Fault just to the west of the cities of San Mateo and Hillsborough, and I-280. The lakes are part of the San Mateo Creek watershed.

The Doran Memorial Bridge is the twin pair of steel girder bridges that carry eight lanes of road traffic on Interstate 280 over San Mateo Creek near Hillsborough, California in San Mateo County.

Crystal Springs is a county park located between San Bruno to the north and Woodside to the south. The park comprises two main trails, Sawyer Camp Trail in the southern end and San Andreas trail in the northern section, which run along the eastern shore of San Andreas Lake in San Mateo County.Settled thousands of years ago by the Shalshone Indians, the Crystal Springs Reservoir (separate from San Andreas Lake to the north) is currently part of the City of San Francisco's Hetch Hetchy Reservoir water system.