Clear Creek (San Mateo County)

El Corte de Madera Creek (Spanish for: The Cutting of Wood) is a small river in the Santa Cruz Mountains, San Mateo County, northern California. It is a tributary of San Gregorio Creek. The creek flows about 7 miles (11 km), from its source in Kings Mountain (37°24′44″N 122°18′40″W) near Skeggs Point on Skyline Boulevard (CA 35), to its confluence with San Gregorio Creek about 2.7 miles east of San Gregorio. The bulk of El Corte de Madera Creek's upper watershed is in El Corte de Madera Creek Open Space Preserve of the Midpeninsula Regional Open Space District, which features popular hiking and mountain biking trails.

Bogess Creek is a small river in San Mateo County, California and is a tributary of San Gregorio Creek.

San Gregorio House is a building that sits on 7495-7587 Old Stage Road near San Gregorio Road (CA 84) in San Gregorio, San Mateo County, California. The building is listed as a National Register of Historic Places in San Mateo County since 1977. The building still stands, but is no longer a functioning hotel.

San Gregorio (Spanish for "St. Gregory") is an unincorporated community in San Mateo County, California, with a population of 214 people. It is located in the San Francisco Bay Area, south of Half Moon Bay. Just east of Highway 1, it is one mile (1.6 km) inland on Highway 84, from San Gregorio State Beach. It is also located 7 (11.4 km) north of Pescadero via Stage Road and 8 miles (13 km) west of La Honda via SR 84.

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.

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

Bellvale is a populated place in San Mateo County, located at 37°18′43″N 122°19′12″W. The small community is on Highway 84 (La Honda Road) between San Gregorio and La Honda, at 240 feet above sea level.Bellvale was named for the Bell family, who settled in the area in the mid-nineteenth century. James Bell paid for construction of a schoolhouse in 1869, which served children from nearby La Honda. Although Bellvale once had a post office, the community is now only sparsely settled with homes and farms. The Bellvale post office, located 2.25 miles west of La Honda, opened in 1897 and was discontinued in 1922. U.S. Geological Survey maps show oil wells in the area, tapping a relatively small pool of petroleum that was first identified in the nineteenth century.

Kingston Creek is a small river in San Mateo County, California and is a tributary of San Gregorio Creek. The average flow rate of this river is 60 US gallons per minute (0.0038 m3/s), as measured midway through the path of the river. The river is pumped for Irragation. Some crayfish live in the river.

Big Chicken Hollow is a valley in San Mateo County, California. It contains a fork of Honsinger Creek.

Little Chicken Hollow is a valley in San Mateo County, California. It contains a stream which is a fork of Honsinger Creek.

San Gregorio nude beach is two miles of soft sand and tide pools, plus a lagoon, a lava tube, and the remains of a railroad on the cliffs. It is north of San Gregorio State Beach.

San Gregorio State Beach is a beach near San Gregorio, California, United States, south of Half Moon Bay. Part of the California State Park System, the beach lies just west of the intersection of California State Route 1 and State Route 84.