Rancho Cañada de San Vicente y Mesa del Padre Barona

Mason Valley is a valley in San Diego County, California. Mason Valley was named after a settler, James E. Mason who established a ranch in the valley in the later 19th century. The mouth of the valley is at an elevation of 1,995 feet / 608 meters, at the point where the valley narrows into a canyon where the Vallecito Wash continues as Vallecito Creek and passes between the Sawtooth Range and the Vallecito Mountains. The head of Mason Valley is at an elevation of 2550 feet at 33°01′05″N 116°28′53″W at the junction of Oriflamme Canyon and Rodriguez Canyon where Vallecito Wash has its source.

The Barona Group of Capitan Grande Band of Mission Indians of the Barona Reservation is a federally recognized tribe of Kumeyaay Indians, who are sometimes known as Mission Indians.

Barona Resort and Casino is an Indian casino on the Barona Indian Reservation located in Lakeside, in San Diego County in California. It is owned and operated by the Barona Group of Capitan Grande Band of Mission Indians.

San Vicente Creek (Spanish for "St. Vincent") is a 22.2-mile-long (35.7 km) stream in San Diego County, California. It rises east of Ramona and flows southwest through the Cuyamaca Mountains into the San Vicente Reservoir, and subsequently to its confluence with the San Diego River just north of Lakeside.The West Branch San Vicente Creek flows 4.5 miles (7 km) from the west until it reaches the San Vicente Reservoir.

The Blackjack Hall of Fame honors the greatest blackjack experts, authors, and professional players in history. It was launched in 2002, and its physical premises are in San Diego, California.

Ramona High School (RHS) is located in Ramona, California. Ramona High is a member of the Ramona City Unified School District and serves the communities of Ramona, San Diego Country Estates, and citizens of the surrounding rural area as well as small numbers of people from Santa Ysabel and Julian.

Ramona is a census-designated place (CDP) in San Diego County, California. The population was 20,292 at the 2010 census. The name Ramona also refers to an unincorporated community of San Diego (with some plans to incorporate) that includes both the Ramona CDP and the adjacent CDP of San Diego Country Estates. The population of the two CDPs, which does not include the fringe areas surrounding the CDPs, was 30,301 at the 2010 census, up from 25,223 at the 2000 census. The Ramona Community Planning Area had a population of 33,404 at the 2000 census. The January 1, 2006, population of the Ramona Community Planning Area is estimated to be 36,405 by the San Diego Association of Governments (SANDAG). USDA Hardiness Zones are 9b and 10a.

Ramona Lutheran Christian School is a private Lutheran elementary school in Ramona, California, in the United States. Established in 1977, the school serves students in preschool through sixth grade and is the only private Christian school in Ramona. Ramona Lutheran Christian School is affiliated with the Pacific Southwest District of the Lutheran Church–Missouri Synod.

Vision International University is an American interdenominational Christian Seminary based in Ramona, California. The university offers distance education and online academic degree programs designed to prepare people for professional ministry. The institution traces its roots to Vision International College (alternatively known as Vision Christian College) in Australia, which was founded in 1974 in Launceston, Tasmania, by Australian theologian and author Ken Chant. Together with Vision International College, City Vision University, and several other Christian educational institutions, Vision International University is a member institution of the Vision International Education Network.

Santa Maria Valley is a valley in northeastern San Diego County, California.

Silverwood Wildlife Sanctuary is a nature preserve owned and operated by the San Diego Audubon Society (SDAS). Silverwood was set up in 1965 to preserve coastal chaparral and riparian woodland habitats. It is also a nature education facility for San Diego area schoolchildren and adults, and functions as part of a wildlife migration corridor.

Rancho Valle de Pamo (also called Rancho Santa María) was a 17,709-acre (71.67 km2) Mexican land grant in present-day San Diego County, California, given in 1843 by Governor Manuel Micheltorena to José Joaquín Ortega and Edward Stokes. The grant occupied the Santa Maria Valley and was centered on present-day Ramona.