Lakes in San Mateo County, California      Bean Hollow Lake Bear Gulch Reservoir Big Lagoon Central Lake Reservoir de los Frijole Reservoir de los Frijoles Knuedler Lake Little Lagoon Lower Crystal Springs Reservoir Lower Emerald Lake Lake Lucerne Mindego Lake Pearsons Pond Pilarcitos Lake Pomponio Reservoir Reflection Lake Laguna Salada San Andreas Lake Schilling Lake Searsville Lake Spencer Lake Stone Dam Reservoir Upper Crystal Springs Reservoir Upper Emerald Lake Upper Emerald Lake Water Dog Lake OTHER COUNTIES NEARBY Alameda County Contra Costa County Marin County Monterey County Napa County San Francisco County San Joaquin County Santa Clara County Santa Cruz County Solano County California Lakes