California is a U.S. state on the western coast of North America. Covering an area of 163,696 sq mi (423,970 km2), California is among the most geographically diverse states. The Sierra Nevada, the fertile farmlands of the Central Valley, and the arid Mojave Desert of the south are some of the geographic features of this U.S. state. It is home to some of the world's most exceptional trees: the tallest, most massive, and oldest. It is also home to both the highest and lowest points in the 48 contiguous states.
Northern California is a geographic and cultural region that comprises the northern portion of the U.S. state of California, spanning the northernmost 48 of the state's 58 counties. Northern California in its largest definition is determined by dividing the state into two regions, the other being Southern California. The main northern population centers include the San Francisco Bay Area, the Greater Sacramento area, the Redding, California, area south of the Cascade Range, and the Metropolitan Fresno area. Northern California also contains redwood forests, along with most of the Sierra Nevada, including Yosemite Valley and part of Lake Tahoe, Mount Shasta, and most of the Central Valley, one of the world's most productive agricultural regions. Northern California is also home to Silicon Valley, the global headquarters for some of the most powerful tech and Internet-related companies in the world, including Meta, Apple, Google, and Nvidia.
Charles Lee Tilden Regional Park, also known as Tilden Park or Tilden, [], is a 2,079-acre (841 ha) regional park in the East Bay, part of the San Francisco Bay Area in California. It is between the Berkeley Hills and San Pablo Ridge. Its main entrance is near Kensington, Berkeley, and Richmond. The park is contiguous with Wildcat Canyon Regional Park.
Benicia State Recreation Area is a state park unit of California, United States, protecting tidal wetland. It is located in the Solano County city of Benicia, 2 miles (3.2 km) west of downtown Benicia and borders Vallejo's Glen Cove neighborhood. The park covers 447 acres (181 ha) of marsh, grassy hillsides and rocky beaches along the narrowest portion of the Carquinez Strait. Southampton Creek and the tidal marsh front Southampton Bay, where the combined waters of the Sacramento and San Joaquin Rivers approach San Pablo Bay, the northern portion of San Francisco Bay.
Lake Merritt is a lake located in a large tidal lagoon basin in the center of Oakland, California, just east of Downtown. It is named after Samuel Merritt, Oakland's mayor in 1867–1869, who had the lagoon dammed turning the varying tidal lagoon into a stable salt-water lake. It is surrounded by parkland and city neighborhoods. Historically significant as the first official wildlife refuge in the United States, designated in 1870, the lake has been listed as a National Historic Landmark since 1963. The circumference of the lake is 3.4 miles (5.5 km), with an area of 155 acres (63 ha).
Mount Tamalpais, known locally as Mount Tam, is a peak in Marin County, California, United States, often considered symbolic of Marin County. Much of Mount Tamalpais is protected within public lands such as Mount Tamalpais State Park, the Marin Municipal Water District watershed, and National Park Service land, such as Muir Woods.
John McLaren Park is a park in southeastern San Francisco. At 312.54 acres (126.48 ha), McLaren Park is the third largest park in San Francisco by area, after Golden Gate Park and the Presidio. The park is surrounded mostly by the Excelsior, Crocker-Amazon, Visitacion Valley, Portola and University Mound neighborhoods.
Montclair is a hillside neighborhood in Oakland, California, United States. Montclair is located along the western slope of the Oakland Hills from a valley formed by the Hayward Fault to the upper ridge of the hills.
The Golden Gate National Recreation Area (GGNRA) is a U.S. National Recreation Area protecting 82,116 acres (33,231 ha) of ecologically and historically significant landscapes surrounding the San Francisco Bay Area. Much of the park is land formerly used by the United States Army. GGNRA is managed by the National Park Service and is the second-most visited unit of the National Park system in the United States, with more than 15.6 million visitors in 2022. It is also one of the largest urban parks in the world, with a size two-and-a-half times that of the consolidated city and county of San Francisco.
Kennedy Grove Regional Recreation Area (KGRRA), also known simply as Kennedy Grove, is located in Richmond, Contra Costa County, California at the base of San Pablo Dam. Created in 1967, it contains a three-mile hiking trail with an elevation of 760 feet (230 m). The Grove features many large eucalyptus trees, picnic areas, volleyball nets, playgrounds, and horseshoe pits. Bird watching is popular here because hawks are almost always spotted. Some hikers have reported seeing golden and bald eagles around the reservoir. There is no camping allowed. Parking is $5 with an extra $2 fee for a dog. Dogs have to be on the leash around the lawn but they are allowed off the leash in remote parts of the park. The park is open from 8 a.m. to dusk.
Dr. Aurelia Reinhardt Redwood Regional Park is a part of the East Bay Regional Parks District (EBRPD) in the San Francisco Bay Area. It is located in the hills east of Oakland, California. The park contains the largest remaining natural stand of coast redwood found in the East Bay. The park is part of a historical belt of coast redwood extending south to Leona Canyon Regional Open Space Preserve and east to Moraga.
Middle Harbor Shoreline Park (MHSP) is located on San Francisco Bay and the Oakland Seaport entrance channel, west of downtown Oakland, California. It is owned and operated by the Port of Oakland. The park entrance is at the intersection of 7th Street and Middle Harbor Road. It is open seven days a week from 8 a.m. to dusk.
Sausal Creek, 3.1 miles (5.0 km) long, is one of the principal creeks in Oakland, California.
Huckleberry Botanic Regional Preserve is a 241 acres (0.98 km2) regional park and nature reserve in the Oakland Hills, in the eastern East Bay region of the San Francisco Bay Area of California. It is within Alameda and Contra Costa Counties. It is a park within the East Bay Regional Parks District system. The Preserve is named after the California Huckleberry which grows abundantly within its habitat.
Roberts Regional Recreation Area (RRRA) is an area adjacent to Redwood Regional Park located in Alameda County next to Oakland, CA and is part of the East Bay Regional Parks (EBRPD). It is across Skyline Drive from the City of Oakland's Joaquin Miller Park. Kaiser Aluminum and Chemical Corp. adopted Roberts Park in 1979, under the newly-developed Adopt-a-Park program, which promised continued funding. This was the first park in EBRPD to be so adopted.
The San Francisco Bay Area hosts five major league sports franchises, as well as one major women's franchise, as well as several other professional and college sports teams, and hosts other sports events.
The Joaquin Miller House, also known as The Abbey, is a historic house in Joaquin Miller Park, a public park in the Oakland Hills area of Oakland, California, United States. A crude, vaguely Gothic structure, it was the home of poet Joaquin Miller from 1886 until his death in 1913. Miller was one of the nation's first poets to write about the far western United States. The property, which includes several idiosyncratic monuments created by Miller, was designated a National Historic Landmark in 1962.
Howard Ellsworth Gilkey (1890–1972) was an American landscape architect known for his civic works in Oakland, California and as a designer of garden shows.
Big Break Regional Shoreline is a 1,648 acre regional park in Oakley, Contra Costa County, northern California. It is a part of the East Bay Regional Park District system and opened in 2005.
