Sawyer Camp Trail

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.

Rancho Feliz was a 4,448-acre (18.00 km2) Mexican land grant in present day San Mateo County, California given in 30 April 1844 by Governor Manuel Micheltorena to Domingo Féliz. The grant extended north from Rancho Cañada de Raymundo along the San Andreas Valley, west of San Andreas Lake up to Sweeney Ridge.