|Agua Tibia Wilderness|
|Location||San Diego and Riverside counties, California, United States|
|Nearest city||Temecula, California|
|Area||17,961 acres (72.69 km2)|
|Established||January 5, 1975|
|Governing body|| U.S. Forest Service, USDA |
Bureau of Land Management
Agua Tibia Wilderness (ATW) is a 17,961-acre (72.69 km2) protected area in Riverside and San Diego counties, in the U.S. state of California. It is mostly within the Palomar Ranger District of the Cleveland National Forest. The area was originally protected as the Agua Tibia Primitive Area until January 1975 when it was added to the National Wilderness Preservation System with the passage of Public Law 93-632 by the United States Congress. Between its inception and 1984, the ATW was San Diego County's only officially designated wilderness area. The Spanish name, Agua Tibia, translates as warm water.
Its approximate boundaries are:
There are no permanent streams in the ATW. The highest landform is Agua Tibia Mountain with an elevation of 4,779 feet (1,457 m).
Though the summer climate is hot, with limited shade and no water sources, there were no fires in the ATW for 110 years. In the last two decades, there have been four fires including the Palomar Mountain Fire (1987), the Vail Fire (1989), the Agua Tibia Fire (2000), and the Poomacha Fire (2007).Its pollution exposure is monitored within the San Diego Air Basin.
The Agua Tibia Wilderness is home to rare and endemic plants. These include:
The Agua Tibia Research Natural Area (ATRNA), located within the wilderness, comprises 480 acres (190 ha) of bigcone Douglas-fir—canyon live oak forest. The area was set aside for the study of this forest type in the Peninsular Range province and with emphasis on forest succession, long-range ecological changes and the effects of resource management practices. Bigcone Douglas-fir ( Pseudotsuga macrocarpa ) is a relict species and is endemic to Southern California. This population on the ATRNA is unique for its relatively great age, size, genetic purity, placement near the southern extent of the species' range, and for its remoteness and lack of disturbance by man. Other notable plants in the research area are Laguna linanthus ( Linanthus orcuttii ssp. pacificus) and Hall's monardella ( Monardella macrantha ssp. hallii). Both are listed as 1B by the California Native Plant Society's Rare Plant Program.
Pseudotsuga macrocarpa, commonly called the bigcone spruce or bigcone Douglas-fir, is an evergreen conifer native to the mountains of southern California. It is notable for having the largest cones in the genus Pseudotsuga, hence the name.
Palomar Mountain is a mountain ridge in the Peninsular Ranges in northern San Diego County. It is famous as the location of the Palomar Observatory and Hale Telescope, and known for the Palomar Mountain State Park.
Cleveland National Forest encompasses 460,000 acres, mostly of chaparral, with a few riparian areas. A warm dry mediterranean climate prevails over the forest. It is the southernmost U.S. National Forest of California. It is administered by the U.S. Forest Service, a government agency within the United States Department of Agriculture. It is divided into the Descanso, Palomar and Trabuco Ranger Districts and is located in the counties of San Diego, Riverside, and Orange.
The Northern California coastal forests are a temperate coniferous forests ecoregion of coastal Northern California and southwestern Oregon.
The Santa Rosa and San Jacinto Mountains National Monument is a National Monument in southern California. It includes portions of the Santa Rosa and San Jacinto mountain ranges, the northernmost ones of the Peninsular Ranges system. The national monument covers portions of Riverside County, west of the Coachella Valley, approximately 100 miles (160 km) southeast of downtown Los Angeles.
Cuyamaca Peak is a mountain peak of the Cuyamaca Mountains range, in San Diego County, Southern California.
Temecula Creek, formerly known as the Temecula River, runs 32.6 miles (52.5 km) through southern Riverside County, California, United States, past the rural communities of Radec and Aguanga, and ending 0.5 miles (0.80 km) southeast of the original city center of Temecula. The creek is filled with boulders and is typically dry and sandy. It is a relatively undeveloped coastal-draining watershed. Until the 1920s, water flowed in Temecula Creek year-round.
The Snow Mountain Wilderness is a 60,076-acre (243.12 km2) federally designated wilderness area located 65 miles (105 km) north of Santa Rosa, California, USA in the Mendocino National Forest. The U.S. Congress passed the California Wilderness Act of 1984 which created 23 new wilderness areas including Snow Mountain. It lies within the North Coast Range of mountains.
The Silver Peak Wilderness is located in the southwestern corner of Monterey County in the Santa Lucia Mountains along the Central Coast of California. It southern boundary largely follows the Monterey County/San Luis Obispo County line. Its eastern boundary is defined by Ft. Hunter Liggett, while on the west it follows closely along Highway 1 and the Big Sur coastline. It is one of ten wilderness areas within the Los Padres National Forest and managed by the US Forest Service.
The South Sierra Wilderness is a federally designated wilderness area in the Southern Sierra Nevada, in eastern California. It is located 65 miles (105 km) northeast of Bakersfield, and is southwest of Owens Lake and Olancha.
The Klamath Mountains ecoregion of Oregon and California lies inland and north of the Coast Range ecoregion, extending from the Umpqua River in the north to the Sacramento Valley in the south. It encompasses the highly dissected ridges, foothills, and valleys of the Klamath and Siskiyou Mountains. It corresponds to the Level III ecoregion designated by the Environmental Protection Agency and to the Klamath-Siskiyou forests ecoregion designated by the World Wide Fund for Nature.
The Yolla Bolly–Middle Eel Wilderness is a federally designated wilderness area in the Yolla Bolly Range of the southern Klamath Mountains and the Inner Northern California Coast Ranges, in Northern California.
The Santa Rosa Wilderness is a 72,259-acre (292.42 km2) wilderness area in Southern California, in the Santa Rosa Mountains of Riverside and San Diego counties, California. It is in the Colorado Desert section of the Sonoran Desert, above the Coachella Valley and Lower Colorado River Valley regions in a Peninsular Range, between La Quinta to the north and Anza Borrego Desert State Park to the south. The United States Congress established the wilderness in 1984 with the passage of the California Wilderness Act, managed by both the US Forest Service and the Bureau of Land Management. In 2009, the Omnibus Public Land Management Act was signed into law which added more than 2,000 acres (8.1 km2). Most of the Santa Rosa Wilderness is within the Santa Rosa and San Jacinto Mountains National Monument.
Leptosiphon nuttallii is a species of flowering plant in the phlox family known by the common name Nuttall's linanthus.
Monardella australis is a species of flowering plant in the mint family, known by the common name southern monardella.
Monardella cinerea is a rare species of flowering plant in the mint family known by the common name gray monardella. It is endemic to California, where it is known from the San Gabriel Mountains and San Jacinto Mountains in the Los Angeles area, and the central coast Santa Lucia Mountains in the Los Padres National Forest. It grows in rocky forested areas.
Monardella linoides is a species of flowering plant in the mint family known by the common name flaxleaf monardella.
Monardella viridis is an uncommon species of flowering plant in the mint family which is endemic to California.
The La Jolla Band of Luiseño Indians are a federally recognized tribe of Luiseño Indians, located in northern San Diego County, California. There are five other federally recognized tribes of Luiseño in southern California. La Jolla has four Tribally Owned Enterprises, The La Jolla Trading Post, The La Jolla Trading Post Casino, The Zip Zoom Zipline, and The La Jolla Indian Campground.