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49-616: Cactus Plain is a landform within the Lower Colorado River Valley . It is adjacent to Bouse Wash , which is on the south. The wash drains northwest-west into the Colorado River . Recreation activities in both protected areas includes backpacking , day hiking, sightseeing, horseback riding , photography, and botanical and wildlife study. The 59,100 acres (23,900 ha) Cactus Plain Wilderness Study Area protects

98-470: A diversity of flora and fauna. The 54,000 sq mi (140,000 km ) desert supports a number of human activities, including recreation, ranching, and military training. The Mojave Desert also contains various silver , tungsten , iron and gold deposits. The spelling Mojave originates from the Spanish language, while the spelling Mohave comes from modern English. Both are used today, although

147-580: A fuel bed. This has significantly altered many areas of the desert. At higher elevations, fire regimes are regular but infrequent. While the Mojave Desert is generally sparsely populated, it has increasingly become urbanized in recent years. The metropolitan areas include Las Vegas , the largest urban area in the Mojave and the largest urban area in Nevada with a population of about 2.3 million. St. George, Utah ,

196-505: A larger North American Desert . Of these, the Mojave is the smallest and driest. It displays typical basin and range topography , generally having a pattern of a series of parallel mountain ranges and valleys. It is also the site of Death Valley , which is the lowest elevation in North America. The Mojave Desert is often colloquially called the "high desert", as most of it lies between 2,000 and 4,000 feet (610 and 1,220 m). It supports

245-406: A natural border to the Mojave Desert. There are also abundant alluvial fans , which are called bajadas , that form around the mountains within the Mojave Desert and extend down toward the low altitude basins, which contain dried lake beds called playas, where water generally collects and evaporates, leaving large volumes of salt. These playas include Rogers Dry Lake and China Lake . Dry lakes are

294-678: A noted feature of the Mojave landscape. The Mojave Desert is also home to the Devils Playground , about 40 miles (64 km) of dunes and salt flats going in a northwest-southeasterly direction. The Devil's Playground is a part of the Mojave National Preserve and is between the town of Baker, California and the Providence Mountains . The Cronese Mountains are within the Devil's Playground. There are very few surface rivers in

343-535: Is a desert in the rain shadow of the southern Sierra Nevada mountains and Transverse Ranges in the Southwestern United States . Named for the indigenous Mohave people , it is located primarily in southeastern California and southwestern Nevada , with small portions extending into Arizona and Utah . The Mojave Desert, together with the Sonoran , Chihuahuan , and Great Basin deserts, form

392-570: Is a former ranch along the Mojave River. Several attractions and natural features are in the Calico Mountains . Calico Ghost Town , in Yermo, is administered by San Bernardino County. The ghost town has several shops and attractions and inspired Walter Knott to build Knott's Berry Farm . The Bureau of Land Management also administers Rainbow Basin and Owl Canyon. The Calico Early Man Site , in

441-473: Is generally abundant in winter annuals. The plants of the Mojave Desert each generally correspond to an individual geographic feature. As such, there are distinctive flora communities within the desert. Notable species of the Mojave Desert include bighorn sheep ( Ovis canadensis ), mountain lions ( Puma concolor ), black-tailed jackrabbits ( Lepus californicus ), and desert tortoises ( Gopherus agassizii ). Various other species are particularly common in

490-557: Is not endemic, but almost completely limited to the Mojave Desert. There are also aquatic species that are found nowhere else, such as the Devils Hole pupfish , limited to one hot spring near Death Valley. Before the European colonization of North America, tribes of Native Americans, such as the Mohave , were hunter-gatherers living in the Mojave Desert. European explorers started exploring

539-637: Is the northeasternmost metropolitan area in the Mojave, with a population of around 180,000 in 2020, and is located at the convergence of the Mojave, Great Basin, and Colorado Plateau. The Los Angeles exurban area of Lancaster - Palmdale has more than 400,000 residents, and the Victorville area to its east has more than 300,000 residents. Smaller cities or micropolitan areas in the Mojave Desert include Helendale , Lake Havasu City , Kingman , Laughlin , Bullhead City and Pahrump . All have experienced rapid population growth since 1990. The California portion of

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588-406: Is the principal saline basin of the Mojave Desert. Natural springs are typically rare throughout the Mojave Desert, but there are two notable springs, Ash Meadows and Oasis Valley . Ash Meadows is formed from several other springs, which all draw from deep underground. Oasis Valley draws from the nearby Amargosa River. Extremes in temperatures throughout the seasons characterize the climate of

637-633: Is the river region of the lower Colorado River of the southwestern United States in North America that rises in the Rocky Mountains and has its outlet at the Colorado River Delta in the northern Gulf of California in northwestern Mexico , between the states of Baja California and Sonora . This north–south stretch of the Colorado River forms the border between the U.S. states of California / Arizona and Nevada /Arizona, and between

686-635: The Mojave Tribal Nation officially uses the spelling Mojave . Mojave is a shortened form of Hamakhaave , an endonym in their native language, which means "beside the water". The Mojave Desert is a desert bordered to the west by the Sierra Nevada mountain range and the California montane chaparral and woodlands , and to the south and east by the Sonoran Desert. The boundaries to the east of

735-539: The Mojave National Preserve . However, the southwest and central east portions of the Mojave Desert are particularly threatened as a result of off-road vehicles, increasing recreational use, human development, and agricultural grazing . The World Wildlife Fund lists the Mojave Desert as relatively "stable/intact". Various habitats and regions of the Mojave Desert have been protected by statute. Notably, Joshua Tree National Park, Death Valley National Park, and

784-545: The Oligocene . Large downpours during the Miocene likely significantly eroded the rock in the Mojave and accelerated deposition . The Mojave Desert is a source of various minerals and metallic materials. Due to the climate, there is an accumulation of weathered bedrock, fine sand and silt, both sand and silt sediments becoming converted into colluvium . The deposits of gold, tungsten, and silver have been mined frequently prior to

833-562: The Paleozoic era, the area that is now the Mojave was again likely submerged under a greater sea. During the Mesozoic era, major tectonic activities such as thrust faulting and folding resulted in distinctive shaping as well as intrusion . During the Cenozoic , more tectonic deformation occurred whilst the Mojave was partly submerged. Major volcanic activity is thought to have occurred during

882-469: The San Gabriel Mission . In recent years, human development in the Mojave Desert has become increasingly present. Human development at the major urban and suburban centers of Las Vegas and Los Angeles has had an increasingly damaging effect on the wildlife of the Mojave Desert. An added demand for landfill space as a result of the large metropolitan centers of Las Vegas and Los Angeles also has

931-521: The Second World War . Additionally, there have been deposits of copper , tin , lead-zinc , manganese , iron , and various radioactive substances but they have not been mined for commercial use. The flora of the Mojave Desert consists of various endemic plant species, notably the Joshua Tree , which is a notable endemic and indicator species of the desert. There is more endemic flora in

980-553: The lakes created by dams , agriculture , and the home of various cities, communities, and towns along the river, or associated with the valley region. Five Indian reservations are located in the LCRV: the Chemehuevi , Fort Mojave and Colorado River Indian Reservations ; at Yuma are the Quechan and Cocopah reservations. Some of the highest air temperatures in North America are recorded in

1029-731: The Calico Hills east of Yermo , is believed by some archaeologists, including the late Louis Leakey , to show the earliest evidence with lithic stone tools found here of human activity in North America. The Mojave Desert has a relatively stable and intact conservation status. The Mojave Desert is one of the best protected distinct ecoregions in the United States, as a result of the California Desert Protection Act , which designated 69 wilderness areas and established Death Valley National Park , Joshua Tree National Park , and

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1078-720: The Joshua tree (Yucca brevifolia). Additionally, the Mojave Desert is also home to various species of cacti, such as silver cholla ( Cylindropuntia echinocarpa ), Mojave prickly pear ( O. erinacea ), beavertail cactus ( O. basilaris ), and many-headed barrel cactus ( Echinocactus polycephalus ). Less common but distinctive plants of the Mojave Desert include ironwood ( Olneya tesota ), blue Palo Verde ( Parkinsonia Florida ), chuparosa ( Justicia californica ), spiny menodora ( Menodora spinescens ), desert senna ( Cassia armata ), California dalea ( Psorothamnus arborescens ), and goldenhead ( Acamptopappus shockleyi ). The Mojave Desert

1127-599: The LCRV, rivaling Death Valley ; specifically Bullhead City , Lake Havasu City , Laughlin , Needles , Yuma , or the southeastern deserts of California, west of the Colorado River where extreme heat is the main summertime weather feature. Worldwide, only deserts in Africa and in the Middle East are hotter. The LCRV is defined by three deserts. The Mojave Desert is in southeast California, southern Nevada, and northwest Arizona. South of

1176-458: The Mexican states of Baja California/Sonora. It is commonly defined as the region from below Hoover Dam and Lake Mead to its outlet at the northern Gulf of California (Sea of Cortez); it includes the Colorado River proper, canyons, the valley, mountain ranges with wilderness areas , and the floodplain and associated riparian environments. It is home to recreation activities from the river ,

1225-803: The Mojave Desert are less distinctive than the other boundaries because there is no presence of an indicator species, such as the Joshua tree ( Yucca brevifolia ), which is endemic to the Mojave Desert. The Mojave Desert is distinguished from the Sonoran Desert and other deserts adjacent to it by its warm temperate climate, as well as flora and fauna such as ironwood ( Olneya tesota ), blue Palo Verde ( Parkinsonia florida ), chuparosa ( Justicia californica ), spiny menodora ( Menodora spinescens ), desert senna ( Cassia armata ), California dalea ( Psorothamnus arborescens ), California fan palm (Washingtonia filifera) and goldenhead ( Acamptopappus shockleyi ). Along with these other factors, these plants differentiate

1274-566: The Mojave Desert in the San Gabriel mountains may receive more rain. Most of the precipitation in the Mojave comes from the Pacific Cyclonic storms that are generally present passing eastward in November to April. Such storms generally bring rain and snow only in the mountainous regions, as a result of the effect of the mountains, which creates a drying effect on its leeward slopes . During

1323-614: The Mojave Desert than almost anywhere in the world. Mojave Desert flora is not a vegetation type , although the plants in the area have evolved in isolation because of the physical barriers of the Sierra Nevadas and the Colorado Plateau. Predominant plants of the Mojave Desert include all-scale ( Atriplex polycarpa ), creosote bush ( Larrea tridentata ), brittlebush ( Encelia farinosa ), desert holly ( Atriplex hymenelytra ), white burrobush (Hymenoclea salsola), and most notably,

1372-686: The Mojave Desert was further protected from development by the Desert Renewable Energy Conservation Plan (DRECP), in which the Bureau of Land Management designated 4.2 million acres of public land as protected wilderness as part of the National Conservation Lands of the California Desert. The Mojave Desert has served as a backdrop for a number of films . The 2010 video game Fallout: New Vegas takes place in

1421-575: The Mojave Desert, but two major rivers generally flow underground. One is the intermittent Mojave River , which begins in the San Bernardino mountains and disappears underground in the Mojave Desert. The other is the Amargosa River , which flows partly underground through the Mojave Desert along a southward path. The Manix, Mojave, and the Little Mojave lakes are all large but shallow. Soda Lake

1470-490: The Mojave Desert, such as the LeConte's thrasher ( Toxostoma lecontei ), banded gecko ( Coleonyx variegatus ), desert iguana (Dipsosaurus dorsalis), chuckwalla ( Sauromalus obesus ), and regal horned lizard ( Phrynosoma solare ). Species of snake include the rosy boa ( Lichanura trivirgata ), Western patch-nosed snake ( Salvadora hexalepis ), and Mojave rattlesnake ( Crotalus scutulatus ). These species can also occur in

1519-399: The Mojave Desert. Freezing temperatures as well as strong winds are not uncommon in the winter, as well as precipitation such as rain and snow in the mountains. In contrast, temperatures above 100 °F (38 °C) are not uncommon during the summer months. There is an annual average precipitation of 2 to 6 inches (51 to 152 mm), although regions at high altitudes such as the portion of

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1568-780: The Mojave National Preserve by the California Desert Protection Act of 1994. ( Pub.L. 103–433). Various other federal and state land agencies have protected regions within the Mojave Desert. These include Antelope Valley California Poppy Reserve , which protects the fields of California poppies, Mojave Trails National Monument , Desert Tortoise Natural Area , Arthur B. Ripley Desert Woodland State Park , Desert National Wildlife Refuge , Lake Mead National Recreation Area , Providence Mountains State Recreation Area , Red Cliffs National Conservation Area , Red Rock Canyon State Park , Saddleback Butte State Park , Snow Canyon State Park and Valley of Fire State Park . In 2013,

1617-727: The Mojave a critical training location for the United States Department of Defense. The Mojave Desert has long been a valuable resource for people, and as its human population grows, its importance will only grow. Miners, ranchers, and farmers rely on the desert for a living. The Mojave is also used by the state of California to meet renewable energy objectives. Large tracts of the desert are owned by federal agencies and are leased at low cost by wind and solar energy companies, although these renewable developments can cause their own environmental impact and disturb cultural landscapes and visual resources. Desert Sunlight Solar Farm , one of

1666-581: The Mojave from the nearby Sonoran Desert. The Mojave Desert is bordered by the San Andreas Fault to the southwest and the Garlock fault to the north. The mountains elevated along the length of the San Andreas fault provide a clear border between the Mojave Desert and the coastal regions to the west. The Garlock fault separates the Mojave Desert from the Sierra Nevada and Tehachapi mountains, which provide

1715-604: The Mojave the Sonoran Desert spans both sides of the Colorado River. The Lower Colorado River Valley is in the western part of the Sonoran Desert, which is called the Colorado Desert . the Sonoran Desert region proper extends from areas west of the river, and then southeastwards to southeast Arizona, south along the eastern side of the Baja Peninsula cordillera to Baja California Sur , and southeast Sonora state, Mexico to

1764-775: The Sonoran Desert bioregion has multiple threats. Some major threats include urbanization , clearing of land for agriculture, human occupancy – especially as a result of imported external resources, and camping and camptrailers on BLM land. Other threats include harvesting for fuelwood, campfires, etc. of desert ironwood , destruction of land by offroad vehicles , especially in sand dunes , and harvesting and manipulation of groundwater. Nevada–California–Baja California side Arizona–Sonora side Nevada–California–Baja California side Arizona–Sonora side Mojave Desert The Mojave Desert ( / m oʊ ˈ h ɑː v i , m ə -/ ; Mohave : Hayikwiir Mat'aar ; Spanish : Desierto de Mojave )

1813-679: The Sonoran Desert region. The spring flowering of ironwood, and the bat species migration arrivals also become indicators of annual or multi-year climate trends for regions of the Sonoran Desert. The Lower Colorado River Valley has unique plant communities because it is the most arid part of the desert and it has the highest temperatures, in excess of 120 °F (49 °C) during the summer. The low humidity means that most plants must have mechanisms that deal with severe water loss through evaporation. The soils tend to be typical desert soils , coarse and without well-developed organic horizons , and plants can only obtain soil water during and very soon after

1862-410: The desert also contains Edwards Air Force Base and Naval Air Weapons Station China Lake , noted for experimental aviation and weapons projects. The Mojave Desert has several ghost towns . The most significant are the silver and copper-mining town of Calico, California , and the old railroad depot of Kelso, California . Some of the other ghost towns are more modern, created when U.S. Route 66 (and

1911-461: The deserts beginning in the 18th century. Francisco Garcés , a Franciscan friar, was the first explorer of the Mojave Desert in 1776. Garcés recorded information about the original inhabitants of the deserts. Later, as American interests expanded into California, American explorers started probing the California deserts. Jedediah Smith travelled through the Mojave Desert in 1826, finally reaching

1960-667: The eastern third of the Cactus Plain, managed by the BLM. It is 10 miles (16 km) 3 miles (4.8 km) north of Bouse. It is predominantly a complex crescent dune, with dense dune–scrub vegetation, known only from this area in Arizona. The plant community is unique in its denseness and flora species diversity. 34°02′49″N 114°04′48″W  /  34.047°N 114.080°W  / 34.047; -114.080 Lower Colorado River Valley The Lower Colorado River Valley ( LCRV )

2009-536: The infrequent rains. Dominant plants in the valleys are low shrubs such as Ambrosia dumosa (white bursage) and Larrea tridentata (creosote bush). Over half of the floral diversity comprises annual species, with even higher percentages in drier habitats. Vulnerable species and plant communities include saltbush/wolfberry flats, saguaro, nightblooming cereus cacti, tamarisks, barrel cactus, Sonoran panicgrass, and acuna cactus (a subspecies of Sclerocactus johnsonii ). The Lower Colorado River Valley subregion of

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2058-767: The international destination of Las Vegas. The Mojave is also known for its scenery, playing host to Death Valley National Park , Joshua Tree National Park , and the Mojave National Preserve . Lakes Mead , Mohave , and Havasu provide water sports recreation, and vast off-road areas entice off-road enthusiasts. The Mojave Desert also includes three California State Parks , the Antelope Valley California Poppy Reserve , in Lancaster , Saddleback Butte State Park , in Hi Vista and Red Rock Canyon State Park . Mojave Narrows Park , operated by San Bernardino County,

2107-470: The largest solar farms in the world, was built approximately five miles from Joshua Tree National Park . An endangered Yuma clapper rail was found dead at the site in 2014, spurring efforts from conservation groups to protect birds from the so-called lake effect, a phenomenon in which birds can mistake the reflective glare of solar panels for a body of water. The Mojave Desert is one of the most popular spots for tourism in North America, primarily because of

2156-442: The late summer months, there is also the possibility of strong thunderstorms, which bring heavy showers or cloudbursts. These storms can result in flash flooding . The Mojave Desert has not historically supported a fire regime because of low fuel loads and connectivity. However, in the last few decades, invasive annual plants such as some within the genera Bromus , Schismus and Brassica have facilitated fires by serving as

2205-503: The lesser-known U.S. Route 91 ) were abandoned in favor of the construction of Interstates . CA SR 14 , Interstate 15 , Interstate 40 , CA SR 58 , CA SR 138 , US Route 95 , and US Route 395 are the main highways that traverse the Mojave Desert. The rock that forms the Mojave Desert was likely created under shallow water in the Precambrian . Sedimentary processes left large deposits of limestones, silicates, and dolomites. During

2254-531: The neighboring Sonoran and Great Basin deserts. The animal species of the Mojave Desert have generally fewer endemics than its flora. However, endemic fauna of the Mojave Desert include Kelso Dunes jerusalem cricket ( Ammopelmatus kelsoensis), the Kelso Dunes shieldback katydid ( Eremopedes kelsoensis ), the Mohave ground squirrel ( Spermophilus Mohavensis ) and Amargosa vole ( Microtus californicus scirpensis ). The Mojave fringe-toed lizard ( Uma Scopari a)

2303-411: The northern border of neighboring Sinaloa . The LCRV extends about 350 miles (563 km) from Hoover Dam to the Colorado River Delta . The Sonoran Desert itself is more than twice as extensive north-to-south, and about 450 miles (724 km) in width. Two species, desert ironwood and the lesser long-nosed bat , have geographic ranges identical to the Sonoran Desert, and are indicator species of

2352-516: The real potential to drastically affect flora and fauna of the Mojave Desert. Agricultural development along the Colorado river , close to the Eastern boundary of the Mojave Desert, also causes habitat loss and degradation. Areas that are particularly affected by human development include Ward Valley and Riverside county. The United States military also maintains installations in the Mojave Desert, making

2401-570: The western two-thirds of the Cactus Plain, managed by the Bureau of Land Management (BLM) . It is 15 miles (24 km) southeast of Parker , and 3 miles (4.8 km) north of Bouse . The wilderness study area is an immense open area of stabilized and semi-stabilized sand dunes , unique in western Arizona. Recreation activities include backpacking, day hiking, sightseeing, horseback riding, and botanical and wildlife study. The 14,630 acres (5,920 ha) East Cactus Plain Wilderness area protects

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