Rancho Cañada de Verde y Arroyo de la Purisima

Rings Gulch is a valley in San Mateo County, California. It contains a stream which is a tributary of Tunitas Creek.

Rogers Gulch is a small river in San Mateo County, California. It contains a small stream which is a tributary of Lobitos Creek.

East Fork Tunitas Creek is a small river in San Mateo County, California and is a tributary of Tunitas Creek.The Tunitas Creek Association (TCA) is a conservation organization was founded in 2004. The current secretary, Pliny Keep, lives on the East Fork of Tunitas Creek. Tunitas Creek was last surveyed by the California Department of Fish and Game in 1967 and found to contain wild steelhead trout. We have seen smolts every year in the main fork, but the East Fork goes underground in sections during dry years.

Tunitas, California was a small unincorporated community in San Mateo County. It was originally located on State Route 1 until that state route was moved to the west. It was also renamed Lobitos.Arroyo de las Tunitas is shown on the diseños, about 1839, of the San Gregorio and Canada Verde grants. The name means “A small bush…grows super-abundant at and near its mouth, and its fruit is known to the present generation as sea apples.”

Lobitos (Spanish for "Little wolves") is a populated place in San Mateo County, just east of State Route 1 and south of Half Moon Bay and the ghost town of Purissima. It is 165 feet (50.3 m) above sea level.

Mitchell Creek is a small river in San Mateo County, California, and is a tributary of Tunitas Creek.

Purissima is a ghost town in southwestern San Mateo County, California, United States, near the junction of State Route 1 and Verde Road. Purísima means "purest" in Spanish and is most commonly used in Spanish to refer to La Purísima Concepción (the Immaculate Conception) of the Virgin Mary (note historical misspelling in English resulting in double "s", or the result of the Holstein pronunciation with use of the "ẝ" being mistaken as ß "ss", or perhaps spelling comes from the local Portuguese influence, where the spelling from A Puríssima Conceição would be correct). Purissima is the name of the town used as the setting for Ross Macdonald's 1958 crime fiction novel 'The Doomsters'.

Martins Beach is a beach located in San Mateo County, California. The beach is accessible only through Martins Beach Road, which runs from Highway 1 through privately held land. Named after local landowner and farmer Nicholas Martin, the beach is best known for billionaire Vinod Khosla's efforts to close access to the public.

Whittemore Gulch is a valley in San Mateo County, California. It contains a small stream which is a tributary of Purisima Creek.

Dry Creek is a small river in San Mateo County, California and is a tributary of Tunitas Creek.

San Mateo County ( SAN mə-TAY-oh), officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020 census, the population was 764,442. Redwood City is the county seat, and the third most populated city following Daly City and San Mateo. San Mateo County is included in the San Francisco–Oakland–Berkeley, CA MSA (metropolitan statistical area), Silicon Valley, and is part of the San Francisco Bay Area, the nine counties bordering San Francisco Bay. It covers most of the San Francisco Peninsula. San Francisco International Airport is located in the northeastern area of the county and is approximately 7 miles (11 km) south of the city and county limits of San Francisco, even though the airport itself is assigned a San Francisco postal address. The county's built-up areas are mostly suburban, and are home to many corporate campuses.

Seal Rock is a small island in San Mateo County, California. It lies just off the county's Pacific coast, about halfway between Half Moon Bay and San Gregorio.