Bay Area Ridge Trail
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Bay Area Ridge Trail
The Bay Area Ridge Trail (shortened as Ridge Trail) is a multi-use trail along the hill and mountain ridgelines surrounding the San Francisco Bay Area, in Northern California. It is planned to extend ; , have been established. When complete, the trail will connect over seventy-five parks and open spaces. The trail is being developed to provide access for hikers, runners, mountain bicyclists, and equestrianism, equestrians. It is intended to be accessible through trailheads near major population centers, but the trail extends into more remote areas. The first trail section was dedicated on May 13, 1989. History William Penn Mott Jr., the twelfth director of the National Park Service, gave a speech in March 1987 at a state parks and recreation conference and discussed plans for the Ridge Trail. While working for the East Bay Regional Park District in the 1960s, Mott's office was on a ridgeline in the East Bay, and the views from the office inspired his vision of a hill-and-ridg ...
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Alpine Pond (Russian Ridge Open Space Preserve, California)
Alpine may refer to any mountainous region. It may also refer to: Places Europe * Alps, a European mountain range ** Alpine states, which overlap with the European range Australia * Alpine, New South Wales, a Northern Village * Alpine National Park * Alpine Shire, a local government area in Victoria New Zealand * Alpine Lake / Ata Puai, a lake in the West Coast Region of New Zealand United States * Alpine, DeKalb County, Alabama, an unincorporated community * Alpine, Talladega County, Alabama, an unincorporated community * Alpine (plantation), a historic plantation house in Talladega County, Alabama * Alpine, Alaska, an unincorporated community * Alpine, Arizona, an unincorporated community * Alpine, California, a census-designated place (CDP) in San Diego County * Alpine, Los Angeles County, California, a former unincorporated community also known as Harold * Alpine County, California * Lake Alpine, California, an unincorporated community * Alpine, Georgia, an unincorporated com ...
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San Francisco Water Department
The San Francisco Public Utilities Commission (SFPUC) is a public agency of the City and County of San Francisco that provides water, wastewater, and electric power services to the city. The SFPUC also provides wholesale water service to an additional 1.9 million customers in three other San Francisco Bay Area counties. Functions The SFPUC manages a complex water supply system consisting of reservoirs, tunnels, pipelines and treatment facilities and is the third largest municipal utility agency in California. The SFPUC provides fresh water from Hetch Hetchy Reservoir and other sources to 2.7 million customers for residential, commercial, and industrial uses. About one-third of its delivered water is sent to customers within San Francisco, while the remaining two-thirds are sent to customers in Alameda, San Mateo, and Santa Clara counties. The SFPUC has been an clean power provider for more than 100 years, when it began generating hydro power for the construction of the O'Sha ...
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Sonoma County, California
Sonoma County ( ) is a county located in the U.S. state of California. As of the 2020 United States census, its population was 488,863. Its seat of government and largest city is Santa Rosa. Sonoma County comprises the Santa Rosa-Petaluma Metropolitan Statistical Area, which is part of the San Jose-San Francisco- Oakland, CA Combined Statistical Area. It is the northernmost county in the nine-county San Francisco Bay Area region. In California's Wine Country region, which also includes Napa, Mendocino, and Lake counties, Sonoma County is the largest producer. It has nineteen approved American Viticultural Areas and more than 350 wineries. The voters have twice approved open space initiatives that have provided funding for public acquisition of natural areas, preserving forested areas, coastal habitat, and other open space. More than 8.4 million tourists visit each year, spending more than $1 billion in 2016. Sonoma County is a leading producer of hops, grapes, prunes, ...
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Alameda County, California
Alameda County ( ) is a List of counties in California, county located in the U.S. state of California. As of the 2020 United States census, 2020 census, the population was 1,682,353, making it the 7th-most populous county in the state and List of the most populous counties in the United States, 21st most populous nationally. The county seat is Oakland, California, Oakland. Alameda County is in the San Francisco Bay Area, occupying much of the East Bay (San Francisco Bay Area), East Bay region. The Spanish language, Spanish word ''alameda'' means either "a grove of poplars...or a tree lined street". The name was originally used to describe the Arroyo de la Alameda; the willow and sycamore trees along the banks of the river reminded the early Spanish explorers of a road lined with trees. Although a strict translation to English might be "Poplar Grove Creek", the name of the principal stream that flows through the county is now simply "Alameda Creek". Alameda County is part of t ...
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Contra Costa County, California
Contra Costa County (; ''Contra Costa'', Spanish for 'Opposite Coast') is a county located in the U.S. state of California, in the East Bay of the San Francisco Bay Area. As of the 2020 United States census, the population was 1,165,927. The county seat is Martinez. It occupies the northern portion of the East Bay region of the San Francisco Bay Area and is primarily suburban. The county's name refers to its position on the other side of the bay from San Francisco. Contra Costa County is included in the San Francisco–Oakland–Berkeley, CA Metropolitan Statistical Area. History Pre-human In prehistoric times, particularly the Miocene epoch, portions of the landforms now in the area (then marshy and grassy savanna) were populated by a wide range of now extinct mammals, known in modern times by the fossil remains excavated in the southern part of the county. In the northern part of the county, significant coal and sand deposits were formed in even earlier geologic er ...
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Santa Clara County, California
Santa Clara County, officially the County of Santa Clara, is the sixth-most populous county in the U.S. state of California, with a population of 1,936,259 as of the 2020 United States census, 2020 census. Santa Clara County and neighboring San Benito County, California, San Benito County form the San Jose–Sunnyvale–Santa Clara metropolitan statistical area, which is part of the larger San Jose–San Francisco–Oakland combined statistical area. Santa Clara is the most populous county in the San Francisco Bay Area and in Northern California. The county seat and largest city with a population of 971,233 is San Jose, California, San Jose, the List of United States cities by population, 13th-most populous city in the nation, List of cities and towns in California, California's third-most populous city, and the List of cities and towns in the San Francisco Bay Area, most populous city in Northern California. Home to Silicon Valley, Santa Clara County is an economic center for ...
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Solano County, California
Solano County () is a county (United States), county located in the U.S. state of California. As of the 2020 United States census, 2020 census, its population was 453,491. The county seat is Fairfield, California, Fairfield. Solano County comprises the Vallejo–Fairfield metropolitan statistical area, which is also included in the San Jose, California, San Jose–San Francisco–Oakland, California, Oakland, San Jose–San Francisco–Oakland, CA Combined Statistical Area, combined statistical area. Solano County is the northeastern county in the nine-county San Francisco Bay Area region. A portion of the South Campus at the University of California, Davis, is in Solano County. History Solano County was one of the original List of counties in California, counties of California, created in 1850 at the time of statehood. At the request of General Mariano Guadalupe Vallejo, the county was named for Chief Solano of the Suisun people, a Native Americans in the United States, Nati ...
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Napa County, California
Napa County () is a County (United States), county north of San Pablo Bay located in the Northern California, northern portion of the U.S. state of California. As of the 2020 United States census, the population was 138,019. The county seat is the Napa, California, City of Napa. Napa County was one of the original counties of California, created in 1850 at the time of statehood. Parts of the county's territory were given to Lake County, California, Lake County in 1861. Napa County comprises the Napa, CA Metropolitan Statistical Area, which is also included in the San Jose, California, San Jose-San Francisco-Oakland, California, Oakland, CA San Jose-San Francisco-Oakland, CA Combined Statistical Area, Combined Statistical Area. It is one of four North Bay (San Francisco Bay Area), North Bay counties. Napa County, once the producer of many different crops, is known today for its Napa Valley AVA, regional wine industry, rising to the first rank of wine regions with France by loc ...
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San Francisco
San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of 2024, San Francisco is the List of California cities by population, fourth-most populous city in the U.S. state of California and the List of United States cities by population, 17th-most populous in the United States. San Francisco has a land area of at the upper end of the San Francisco Peninsula and is the County statistics of the United States, fifth-most densely populated U.S. county. Among U.S. cities proper with over 250,000 residents, San Francisco is ranked first by per capita income and sixth by aggregate income as of 2023. San Francisco anchors the Metropolitan statistical area#United States, 13th-most populous metropolitan statistical area in the U.S., with almost 4.6 million residents in 2023. The larger San Francisco Bay Area ...
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Marin County, California
Marin County ( ) is a County (United States), county located in the northwestern part of the San Francisco Bay Area of the U.S. state of California. As of the 2020 United States census, 2020 census, the population was 262,231. Its county seat and largest city is San Rafael, California, San Rafael. Marin County is across the Golden Gate Bridge from San Francisco, and is included in the San Francisco–Oakland–Berkeley, CA Metropolitan Statistical Area. Marin County's natural sites include the Muir Woods Sequoia sempervirens, redwood forest, the Marin Headlands, Stinson Beach, CA, Stinson Beach, the Point Reyes National Seashore, and Mount Tamalpais. Marin is one of the List of highest-income counties in the United States, highest-income counties by per capita income and median household income. The county is governed by the Marin County Board of Supervisors. The Marin County Civic Center was designed by Frank Lloyd Wright and draws thousands of visitors a year to guided tours ...
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Midpeninsula Regional Open Space District
The Midpeninsula Regional Open Space District (MROSD) is a non-enterprise special district in the San Francisco Bay Area. Formed in 1972 by voter initiative, it has acquired and preserved a regional green belt of open space land and provides opportunities for ecologically-sensitive public enjoyment and education. The district, which includes parts of Santa Clara, San Mateo and Santa Cruz counties, works to form a continuous green belt of permanently preserved open space by linking its lands with other public park lands. A member of the Bay Area Open Space Council, the district also participates in cooperative efforts such as the San Francisco Bay Trail, Bay Area Ridge Trail, and Skyline-to-the-Sea Trail, which are regional trail systems in the Bay Area that include district lands. The Midpeninsula Regional Open Space District has permanently preserved almost of mountainous, foothill, and bayland open space, creating 26 open space preserves. Of the district's 26 preserves, ...
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San Mateo County, California
San Mateo County ( ), officially the County of San Mateo, is a county (United States), county located in the U.S. state of California. As of the 2020 United States census, the population was 764,442. Redwood City, California, Redwood City is the county seat, the third-most populated city in the county after Daly City, California, Daly City and San Mateo, California, San Mateo. San Mateo County is included in the San Francisco–Oakland–Berkeley, CA MSA (metropolitan statistical area), Silicon Valley, and is part of the San Francisco Bay Area, the nine counties bordering San Francisco Bay. As of 2020, it has a median household income of $128,091, the List of highest-income counties in the United States, fourth-highest household income of any county in the nation behind Loudoun County, Virginia, Falls Church, Virginia, and Santa Clara County, California. The county covers most of the San Francisco Peninsula. The county is predominantly suburban and is home to many corporate cam ...
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