Sycamore Valley Regional Open Space Preserve

The Hemme Hills are a mountain range in Contra Costa County, California.

The Sherburne Hills are a mountain range in Contra Costa County, California.

The Blackhawk Museum, founded in 1988, consists of five distinct galleries in a facility in Danville, California with a significant collection of classic, rare, and unique automobiles. In addition to its gallery Classic Car Collection, the museum's four other galleries are The Spirit of the Old West, Art of Africa, Into China, and World of Nature. The museum is located within the Blackhawk Plaza shopping center and is an affiliate through the Smithsonian Affiliations program. The museum is a subsidiary of a not-for-profit Behring Global Educational Foundation.

Blackhawk-Camino Tassajara is a former census-designated place (CDP) in Contra Costa County, California, near the town of Danville. The unincorporated area consisted of the Blackhawk planned community and the surrounding Camino Tassajara area. At the 2000 census, the CDP's population was 10,048. The CDP was split between Blackhawk and Camino Tassajara before the 2010 census.

The Athenian School is a selective college preparatory and boarding school located in Danville, California, United States. Athenian educates students in grades 6–12 on an approximately 75-acre (300,000 m2) campus at the base of Mt. Diablo, located in the San Francisco Bay Area in Northern California. Athenian was founded by Dyke Brown in 1965. Athenian is composed of roughly 170 students in the middle school (grades 6–8) and 360 students in the high school (9–12), which is also known as the upper school. Approximately 60 students and 18 teachers live on campus full-time. The average class size is 14. According to Niche, Athenian is ranked 147th on the 2020 list of Best Private High Schools in America and the number one school in Contra Costa County. Athenian is also ranked as the 40th best boarding school in the United States.Athenian holds an average SAT score of 1385 (out of 1600) and an average ACT score of 32. According to Boarding School Review, this gives Athenian the 8th highest SAT score of any boarding school in the United States.

Diablo (Spanish for "Devil") is a census-designated place (CDP) in Contra Costa County, California, United States. The population was 1,158 at the 2010 census. It is located 2.5 miles (4.0 km) east-northeast of Danville.

Blackhawk is an unincorporated planned community and census-designated place located in Contra Costa County, California, United States, east of Danville and Oakland. As of the 2010 census it had a population of 9,354. Governed by county rules/regulations and a homeowner association (HOA), Blackhawk has a country club, two golf courses, sports complex, restaurants, and the adjacent Blackhawk Plaza. 24-hour security plus additional law enforcement contracted through the Contra Costa County Sheriff's Office is provided by HOA dues. The area is covered by the San Ramon Valley Fire Protection District. The ZIP code is 94506. The community is inside area code 925. Blackhawk is known for its uniform architecture and suburban lifestyle, with the median household income being $167,875 and median home price of $1,117,500.

The San Ramon Valley Fire Protection District provides fire protection and emergency medical services for the cities of Alamo, Blackhawk, Danville, Diablo, Camino Tassajara and San Ramon as well as southern areas of the Morgan Territory in California, United States. In all, the district is responsible for 155 square miles (400 km2) with a population of approximately 192,800.

San Ramon (Spanish: San Ramón, meaning "St. Raymond") is a city in Contra Costa County, California, United States, located within the San Ramon Valley, and 34 miles (55 km) east of San Francisco. San Ramon's population was 84,605 per the 2020 census, making it the 4th largest city in Contra Costa County, behind Richmond, Concord and Antioch. San Ramon is home to the headquarters of Chevron Corporation, Cooper Companies, the West Coast headquarters of AT&T, GE Digital, as well as the San Ramon Medical Center. Major annual events include the Art and Wind Festival on Memorial Day weekend and the Run for Education in October. On April 24, 2001, San Ramon was designated a Tree City USA.

Monte Vista High School is a comprehensive public high school located in Danville, California, United States. It is a National Blue Ribbon school, as well as a California Distinguished School. It is fully WASC accredited. The school is located in the San Ramon Valley, approximately 35 miles (56 km) east of San Francisco, and is part of the San Ramon Valley Unified School District. Their school mascot is a mustang.

Dougherty Valley High School (commonly Dougherty, Dougherty Valley, Dougherty Valley High, DVHS, or DV High) is a public high school located in the Windemere development of San Ramon, California, United States. The valley name comes from James Witt Dougherty, a 19th-century landowner and local politician. It is one of four high schools in the San Ramon Valley Unified School District (SRVUSD), along with California High School, San Ramon Valley High School, and Monte Vista High School. Constructed by Shapell Industries of California and Windemere Ranch Partners BLC, Dougherty was the first developer-built school in the SRVUSD. The school opened its doors in 2007. Dougherty's nickname is the Wildcats, and its school colors are navy, Columbia blue, and silver. It is known for its state-of-the-art campus, which features a performing arts center and aquatics center in a joint-use agreement with the city. Dougherty is the top school in the district based on Academic Performance Index. The school is also home to over 200 clubs and many afterschool activities.