Leona Canyon Regional Open Space Preserve is a regional park located in Oakland, California that is part of the East Bay Regional Parks system. It is located off Keller Avenue near Oak Knoll Naval Hospital and it extends to Merritt College.
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Naval Hospital Oakland, also known as Oak Knoll Naval Hospital, was a U.S. naval hospital located in Oakland, California that opened during World War II and closed in 1996 as part of the 1993 Base Realignment and Closure program. The 167-acre site is bordered on three sides by Mountain Boulevard and Keller Avenue in the city's Oak Knoll section; its map coordinates are .
Oak Knoll hospital was built during World War II to treat American military personnel wounded in the Pacific theater. In later years, it also treated those wounded in the Korean and Vietnam wars. The site was previously a golf course and country club that had closed during the Great Depression.
Construction on a large main hospital building began in 1965, and it opened in 1968. The base was officially closed in 1996 in a Navy ceremony.
The main hospital building was imploded on April 8, 2011.
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On September 28, 2022, one person was ultimately killed and five people were wounded from gun violence that occurred at King Estates School Complex, an area where three different high schools share a complex campus in Oakland, California. The shooting happened during school hours at 12:45 p.m., when two gunmen, believed by Oakland authorities to not attend the school, entered the campus of Rudsdale High School and opened thirty rounds on people present on campus. While it is reported that the shooting had gang or group overtones, the victims hit were all allegedly innocent bystanders. No suspects have yet been arrested or identified. There is surveillance footage showing two suspected gunmen on campus, and a third person of interest involved.
The sole fatality, a carpenter who worked on the campus, died from his injuries in a hospital on November 17, 2022.
There have been no suspects arrested, or any persons of interest identified, as of 2025.
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Ridgemont is a neighborhood in Oakland, California, next to Merritt College along Campus Drive, the main thoroughfare at the ridgeline. First developed in the 1970s and 1980s, the neighborhood began as a subdivision of large, pre-designed, fairly uniform, redwood suburban-style homes. As the Ridgemont subdivision grew, new construction brought to it large estates, both subdivision planned and individual architect-designed. These, the largest homes of the neighborhood, were placed on the neighborhood crest and nearby highest points of the hillsides to take advantage of three-bridge views of the Bay. A newer subdivision,"Monte Vista Homes," on the lower slopes below the Ridgemont subdivision, commenced in 2005 as Desilva, a real estate developer, began building on slopes of the defunct Leona quarry. In preparation for the new subdivision, the development team subcontracted land restoration teams so that the former quarry underwent extensive land recovery ––including the replanting of fire-resistant, native plants for soil retention and beautification––prior to homes construction. But the quarry's outlines – the massive carving out of the hillside over decades – is still visible from as far away as San Francisco.
A wildfire consumed about twenty acres in the district on September 26, 2017, directly threatening numerous ridgeline estates, before Oakland Fire Department crews, aided by an air tanker and helicopters which drew water from nearby San Leandro Reservoir, quickly extinguished the blaze. No structures were burned.
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Sequoyah Heights is an affluent, secluded neighborhood in the Oakland Hills, in Oakland, California. The neighborhood has several architecturally prominent 1920s and 1930s houses, surrounding the Sequoyah Country Club and golf course. It overlooks the Interstate 580 above the former Oak Knoll Naval Hospital, and offers views of San Francisco.
It is a smaller part of the Oak Knoll neighborhood that runs alongside the southeastern part of the Oakland hills. The neighborhood borders San Leandro.
Sequoyah Heights is one of East Oakland's safer and more well-to-do neighborhoods, and features a religious preschool. Sequoyah Heights neighbors the Grass Valley neighborhood, home of the Oakland Zoo, the Seminary neighborhood and the site of the now closed Oak Knoll Naval Hospital.
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The Bay Area Technology School is a charter school located in Oakland, California, United States. BayTech is a college prep middle and high school which serves 6th through 12th grade students from the East Bay Region. The school was established in 2004 by Willow Education Foundation.
In 2018, BayTech was under investigation for fraud by the Oakland Unified School District, when several senior staff, board members, and its principal abruptly resigned from their positions. The school has been linked to the Gulen movement by local press.