Sobrante Ridge Regional Preserve

Sobrante Ridge Regional Park, or simply Sobrante Ridge, is a regional park of the East Bay Regional Parks District in Richmond, California. It covers 277 acres (1.1 km2) and protects the extremely endangered Alameda manzanita, a native plant of the area. The park has 2+1⁄2 miles (4.0 km) of trails. The endangered manzanita grow on 9 acres (0.036 km2).

The San Pablo Reservoir is an open cut terminal water storage reservoir owned and operated by the East Bay Municipal Utility District (EBMUD). It is located in the valley of San Pablo Creek, north of Orinda, California, United States, and south of El Sobrante and Richmond, east of the Berkeley Hills between San Pablo Ridge and Sobrante Ridge.

De Anza High School is a secondary school located in Richmond, California, United States, named after Spanish explorer Juan Bautista de Anza. It is part of the West Contra Costa Unified School District and serves northeast Richmond, the unincorporated communities of El Sobrante and Rollingwood and a small portion of San Pablo.

San Pablo Ridge is a small mountain range in western Contra Costa County from Pinole to Orinda between Wildcat Canyon and San Pablo Canyon. The western flank is part of the Wildcat Creek watershed and the eastern flank is part of the San Pablo Creek watershed. To the west are the Berkeley Hills, and to the east, the Sobrante Ridge. The highest point on the San Pablo Ridge is Vollmer Peak (elevation 1,905 feet/581m), formerly called "Bald Peak", located near the point where it meets the Berkeley Hills at the head of Wildcat Canyon. San Pablo Ridge is largely undeveloped, forming part of county lands and open space, with a few privately held ranches remaining.

El Sobrante (Spanish: [el so.ˈβran.te]; Spanish for "The Surplus", is a census-designated place (CDP) in Contra Costa County, California, United States. The population was 12,669 at the 2010 census.

Pinole Valley High School is a high school in Pinole, California, United States, in Contra Costa County. First opened in 1967, the school is part of the West Contra Costa Unified School District. Pinole Valley High serves grades 9–12, and has approximately 1,200 students from Pinole, northwest Richmond and the unincorporated communities of Bayview, Montalvin Manor and Tara Hills. The school is noted for its girls' basketball team. Coach Dan O'Shea was named "Coach of the Year" in May 2006 by the Oakland Tribune. The Pinole Valley Spartans Football Team won a NCS Championship in 2022.

El Sobrante Christian School is a private K-12 Christian school located in El Sobrante, Contra Costa County, California, United States.

Hercules High School is a secondary school located at 1900 Refugio Valley Road in Hercules, California, United States. The campus consists of both a middle school and high school on the same premises, with the administrative complex and library separating the two sides. It was established in 2001 as a 6-12 school. In July 2014 the West Contra Costa Board of Trustees approved the split of the middle and high schools as two separate schools. It is a part of the West Contra Costa Unified School District.

Wildcat Canyon Regional Park is a 2,789-acre (1,129 ha) East Bay Regional Parks District park bordering the city of Richmond in Contra Costa County in the San Francisco Bay Area of California. It includes a portion of Wildcat Canyon as well as a portion of the adjoining San Pablo Ridge, and is directly connected to the more heavily used Tilden Regional Park.

East Bay Waldorf School (EBWS) is an independent, non-sectarian Waldorf School in El Sobrante, California, on the east side of the San Francisco Bay. It is based on the principles of Waldorf education. Located on 91 acres of land, the school is adjacent to Wildcat Canyon, a regional park. Founded in Berkeley in 1980, East Bay Waldorf School offers classes from prekindergarten through grade 8, as well as parent-child classes for infants-age 3 years. The curriculum is based upon the principles of Waldorf Education, and accredited by the Association of Waldorf Schools of North America (AWSNA).

William Rust Summit or Willhelm Rust Summit is a summit in Contra Costa County, California in the Berkeley Hills above the city of El Cerrito. It was named in honor of William Rust (1857–1940), a pioneer settler who was active in business & community affairs.

Pinole (Spanish for "cornmeal") is a city in Contra Costa County, California, United States. The population was 18,390 at the 2010 census.