East Fork Tunitas Creek

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

Rancho Cañada de Verde y Arroyo de la Purísima was a 8,906-acre (36.04 km2) Mexican land grant in present-day San Mateo County, California given in 1838 by Governor Juan B. Alvarado to José María Alviso. The name roughly translates to ranch of the green glen and brook of the Purest (as in Immaculate Conception of the Virgin Mary). The grant extended along the Pacific coast from Purisima Creek south to Tunitas Creek and encompasses present-day Lobitos and the ghost town Purissima.

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

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.

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

Tunitas Creek is a 6.6-mile-long (10.6 km) stream in San Mateo County, California. Tunitas is Spanish for "little prickly pears".

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.

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

Pine Tree Gulch is a valley in San Mateo County, California. It contains a small stream which is a tributary of San Gregorio Creek. The stream flows about 0.5 miles (1 km) from its source to its confluence with El Corte de Madera 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'.

Rancho San Gregorio was a 17,783-acre (71.97 km2) Mexican land grant in present day San Mateo County, California given in 1839 by Governor Juan Alvarado to Antonio Buelna. At the time, the grant was in Santa Cruz County; an 1868 boundary adjustment gave the land to San Mateo County. The rancho extended from Tunitas Creek in the north to the mouth of Pomponio Creek and encompassed San Gregorio, California, San Gregorio State Beach and La Honda