The Peninsula Open Space Trust (POST) is a nonprofit land trust headquartered in Palo Alto, California. [1]
POST's mission is to protect open space on the Peninsula and in the South Bay for the benefit of all. [1] The organization has been involved in land acquisitions in the Santa Cruz Mountains, [2] Half Moon Bay, [3] Coyote Valley in Santa Clara County, [4] and farmland conservation in San Mateo County. [5]
POST was created in 1977 as a private 501(c)(3) non-profit organization able to [6] negotiate private land sales and protective easements with willing sellers in confidence. They were created five years after the formation of the Midpeninsula Regional Open Space District to protect land for open space. [1]
The San Francisco Peninsula is a peninsula in the San Francisco Bay Area that separates San Francisco Bay from the Pacific Ocean. On its northern tip is the City and County of San Francisco. Its southern base is Mountain View, in Santa Clara County, south of Palo Alto and north of Sunnyvale and Los Altos. Most of the Peninsula is occupied by San Mateo County, between San Francisco and Santa Clara counties, and including the cities and towns of Atherton, Belmont, Brisbane, Burlingame, Colma, Daly City, East Palo Alto, El Granada, Foster City, Hillsborough, Half Moon Bay, La Honda, Loma Mar, Los Altos, Menlo Park, Millbrae, Pacifica, Palo Alto, Pescadero, Portola Valley, Redwood City, San Bruno, San Carlos, San Mateo, South San Francisco, and Woodside.
San Mateo County, officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020 census, the population was 764,442. Redwood City is the county seat, and the third most populated city following Daly City and San Mateo. San Mateo County is included in the San Francisco–Oakland–Berkeley, CA MSA, Silicon Valley, and is part of the San Francisco Bay Area, the nine counties bordering San Francisco Bay. It covers most of the San Francisco Peninsula. San Francisco International Airport is located in the northeastern area of the county and is approximately 7 miles (11 km) south of the city and county limits of San Francisco, even though the airport itself is assigned a San Francisco postal address. The county's built-up areas are mostly suburban, and are home to many corporate campuses.
The Santa Cruz Mountains are a mountain range in central and Northern California, United States, constituting a part of the Pacific Coast Ranges. They form a ridge down the San Francisco Peninsula, south of San Francisco. They separate the Pacific Ocean from the San Francisco Bay and the Santa Clara Valley, and continue south to the Central Coast, bordering Monterey Bay and ending at the Salinas Valley. The range passes through the counties of San Mateo, Santa Clara, and Santa Cruz, with the Pajaro River forming the southern boundary.
Silicon Valley Monterey Bay Council (#055) is a Boy Scouts of America council headquartered in San Jose, California. It was the result of a council merger between the Santa Clara County Council and the Monterey Bay Area Council. In 2004, the previous two councils served over 11,000 youth in over 400 Boy Scout troops, Cub Scout packs, Venturing crews, and Explorer posts. In 2012, the Monterey Bay Area Council announced that after 89 years as a separate council, it had agreed to merge back into the Santa Clara County Council. As of 2013, the council served 13,000 youth in four different counties.
Mount Umunhum is a peak in the Santa Cruz Mountains, located in Santa Clara County, California. It is the fourth-highest peak in the Santa Cruz Mountains, after Loma Prieta, Crystal Peak, and Mt. Chual. Most of the mountain is located within the Sierra Azul Open Space Preserve.
Coyote Valley is an area located in a narrowing of the southern Santa Clara Valley, in Northern California. Coyote Valley is approximately 7,400 acres (2,995 ha) in size and largely composed of farmland, orchards, open space preserves, and homes. Coyote Valley is generally divided into three sections: North Coyote Valley, the unincorporated village of Coyote, California, and South Coyote Valley.
Sempervirens Fund, originally established in 1900 as Sempervirens Club, is California's oldest land trust. Founder Andrew P. Hill’s goal was to preserve the old-growth forest that became Big Basin Redwoods State Park, the first California state park in 1902. Sempervirens Fund's mission is to protect and permanently preserve coast redwood forests, wildlife habitat, watersheds, and other important natural features of California's Santa Cruz Mountains, and to encourage people to appreciate and enjoy this environment. Sempervirens Fund does this by purchasing land for protection and transferring it to state or local agencies. Sempervirens Fund has also worked to establish conservation easements and trail linkages between parks and coastal marine preserves. As of 2013, Sempervirens Fund has saved more than 34,000 acres of redwood lands.
Black Mountain is a summit on Monte Bello Ridge in the Santa Cruz Mountains of west Santa Clara County, California, south of Los Altos and Los Altos Hills, and west of Cupertino; it is within the Palo Alto city limits though not near the developed part of the city. It is located on the border between Rancho San Antonio Open Space Preserve and Monte Bello Open Space Preserve, with the summit located in the former. Early Spanish explorers commonly named tree- or chaparral-covered summits which look black in the distance Loma Prieta, from the Spanish . The Spanish also called the middle portion of the Santa Cruz Mountains the Sierra Morena meaning, extending from Half Moon Bay Road south to a gap at Lexington Reservoir, and which includes a summit called Sierra Morena. There are over 100 "Black Mountains" in California.
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.
Pilarcitos Creek is a 13.5-mile-long (21.7 km) coastal stream in San Mateo County, California, United States, that rises on the western slopes of the Santa Cruz Mountains and descends through Pilarcitos Canyon to discharge into the Pacific Ocean Half Moon Bay State Beach.
Rancho San Antonio County Park and Rancho San Antonio Open Space Preserve are a conjoined public recreational area in the Santa Cruz Mountains, in the northwest quadrant of Santa Clara County, California. The County Park is bordered by Los Altos with some parts of the eastern part of the County Park in western Cupertino. The Open Space Preserve is on the west side of the County Park, also bordered by Los Altos Hills, Monte Bello Open Space Preserve, and the Permanente Quarry.
Tunitas Creek is a 6.6-mile-long (10.6 km) stream in San Mateo County, California. Tunitas is Spanish for "little prickly pears".
Pomponio Creek is a 7.2 miles (11.6 km) westward flowing stream in San Mateo County, California that originates on the western slope of the Santa Cruz Mountains and flows into the Pacific Ocean at Pomponio State Beach.
California Rangeland Trust is a conservation nonprofit organization founded in 1998. The Rangeland Trust claims to be the largest land trust in California, having conserved over 371,000 acres (1,500 km2) of rangeland on 90 ranches across 26 counties.
The Bonny Doon Ecological Reserve is a nature preserve of 552 acres (2.23 km2) in the Santa Cruz Mountains of California, United States. The reserve protects several rare and endangered plant and animal species within an area known as the Santa Cruz Sandhills, an ancient seabed containing fossilized marine animals.
Monte Bello Open Space Preserve is a 3,133-acre (12.68 km2) open space preserve, located near Palo Alto in the Santa Cruz Mountains, in San Mateo and Santa Clara Counties, California, United States. The preserve encompasses the upper Stevens Creek watershed in the valley between Monte Bello Ridge and Skyline Ridge. "Monte Bello" means "beautiful mountain" in Italian, and refers to Black Mountain which is the highest part of Montebello Ridge. The straight valley of upper Stevens Creek is also the rift valley of the San Andreas Fault.
Alamitos Creek or Los Alamitos Creek is a 7.7-mile-long (12.4 km) creek in San Jose, California, which becomes the Guadalupe River when it exits Lake Almaden and joins Guadalupe Creek. Los Alamitos Creek is located in Almaden Valley and originates from the Los Capitancillos Ridge in the Santa Cruz Mountains, near New Almaden. This creek flows through the Valley's Guadalupe Watershed, which is owned by the Santa Clara Valley Water District. The creek flows in a generally northwesterly direction after rounding the Los Capitancillos Ridge and the town of New Almaden, in the southwest corner, before ambling along the Santa Teresa Hills on northeast side of the Almaden Valley. Its environment has some relatively undisturbed areas and considerable lengths of suburban residential character. Originally called Arroyo de los Alamitos, the creek's name is derived from "little poplar", "alamo" being the Spanish word for "poplar" or "cottonwood".
Máyyan 'Ooyákma – Coyote Ridge Open Space Preserve is an 1,859-acre (741 ha) publicly owned open space preserve in southern Santa Clara County. It opened to the public in August 2023 with 5 miles of trails. There are 3.9 miles of trail designated as a portion of Bay Area Ridge Trail, a regional trail system that is planned to run 550 miles along the ridge lines that encircle San Francisco Bay.
Pillar Point Bluff is a 220-acre park (89 ha) in San Mateo County, California. It is part of the Fitzgerald Marine Reserve, owned by the U.S. state of California, and managed by San Mateo County as a county park and nature preserve. The park is located between Princeton-by-the-Sea and Moss Beach, just north of the Pillar Point peninsula, Pillar Point Harbor, and Half Moon Bay. The area was inhabited by coastal indigenous peoples for thousands of years, and in recent centuries, was used for livestock grazing by Spanish Missions and Mexican ranchos. Pillar Point Bluff was once part of the Rancho Corral de Tierra Mexican land grant before California became a state.