Mopah Range
Encyclopedia
The Mopah Range is a desert
mountain range, in the Lower Colorado River Valley
region, in southeastern San Bernardino County
, California
.
Range. They are in the northern Colorado Desert
region of the Sonoran Desert
, and the southern reach of Mojave Desert
.
The Colorado River
and Whipple Mountains
are to the east, and the Iron Mountains
to the west. Vidal Junction, California
is to the southeast, and the Colorado River Aqueduct
passes to the south.
s and seep
s. The Mopahs are considered part of the greater Lower Colorado River Valley
region.
(High Desert
) and Colorado Desert
region of the Sonoran Desert
(Low Desert
) and therefore contains a high diversity of plant and animal species. The Turtle Mountain range is a northern or southern 'delimiter of occurrence' for some species; for example the endangered California Fan Palm, Washingtonia filifera
, encounters the northern limit of its range in the Mopah-Turtle Mountains
.
Dominate vegetation in the Turtle Mountains Wilderness Area consists of the creosote bush-bur sage with Creosote bush (Larrea tridentata) and the palo verde-cactus shrub ecosystems with the Palo Verde tree
(Parkinsonia microphylla). In the washes, Colorado/Sonoran microphylla woodlands can be found. These woodlands include such things as Smoke Tree
(Psorothamnus spinosus), Honey Mesquite
(Prosopis velutina), and Catclaw
(Acacia greggii).
Wildlife species include Desert Bighorn Sheep
, coyote, black-tailed jackrabbit
s, ground squirrels, kangaroo rats, quail, roadrunner
s, golden eagle
s, prairie falcon
s, rattlesnake
s, the Desert Tortoise
and several species of lizard
s.
, horseback riding, camping
, rock hounding, photography, and backpacking can be enjoyed in this wilderness. The area is popular with rock hounding hobbyists and is nationally known for Chalcedony
specimens in a form known as "Mopah Roses." Coffin, Mopah, and Mohawk Springs, natural palm oases
, are popular hiking destinations.
Desert
A desert is a landscape or region that receives an extremely low amount of precipitation, less than enough to support growth of most plants. Most deserts have an average annual precipitation of less than...
mountain range, in the Lower Colorado River Valley
Lower Colorado River Valley
The Lower Colorado River Valley 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 Sea of Cortez in northwestern Mexico, between the states of Baja...
region, in southeastern San Bernardino County
San Bernardino County, California
San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...
, California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
.
Geography
The Mopah Range are located directly adjacent to and linked with the larger Turtle MountainsTurtle Mountains (California)
The Turtle Mountains, and Amat 'Achii'ar in the Mojave language, are located in San Bernardino County, California, in the southeastern part of the state.-Geography:The Turtle Mountains are southeast of Needles, California, west off of U.S...
Range. They are in the northern Colorado Desert
Colorado Desert
California's Colorado Desert is a part of the larger Sonoran Desert, which extends across southwest North America. The Colorado Desert region encompasses approximately , reaching from the Mexican border in the south to the higher-elevation Mojave Desert in the north and from the Colorado River in...
region of the Sonoran Desert
Sonoran Desert
The Sonoran Desert is a North American desert which straddles part of the United States-Mexico border and covers large parts of the U.S. states of Arizona and California and the northwest Mexican states of Sonora, Baja California, and Baja California Sur. It is one of the largest and hottest...
, and the southern reach of Mojave Desert
Mojave Desert
The Mojave Desert occupies a significant portion of southeastern California and smaller parts of central California, southern Nevada, southwestern Utah and northwestern Arizona, in the United States...
.
The Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...
and Whipple Mountains
Whipple Mountains
The Whipple Mountains, 'Avii Kur'utat in the Mojave language, are located in eastern San Bernardino County, California. They are directly west of the Colorado River, Parker Dam, and Lake Havasu; south of Needles, California; north of Parker, Arizona and Vidal, California; and northeast of Vidal...
are to the east, and the Iron Mountains
Iron Mountains (California)
The Iron Mountains are a mountain range in San Bernardino County, California....
to the west. Vidal Junction, California
Vidal Junction, California
Vidal Junction, California is a small town site in the Sonoran Desert in unincorporated San Bernardino County, California, United States.The town is near the California/Arizona state line immediately west of Parker at the intersection of U.S. Route 95 and State Route 62 a short distance north of...
is to the southeast, and the Colorado River Aqueduct
Colorado River Aqueduct
The Colorado River Aqueduct, or CRA, is a water conveyance in Southern California in the United States, operated by the Metropolitan Water District of Southern California . The aqueduct impounds water from the Colorado River at Lake Havasu on the California-Arizona border west across the Mojave...
passes to the south.
Turtle Mountains Wilderness Area
The Mopah Range is part of the Turtle Mountains Wilderness Area ranges from broad bajadas to highly eroded volcanic peaks, spires, and cliffs. The Mopah Range contains the two signature Mopah Peaks, which are rhyodactic or volcanic plugs. The northern most peak is a landmark known as Mexican Hat. The area has numerous springSpring (hydrosphere)
A spring—also known as a rising or resurgence—is a component of the hydrosphere. Specifically, it is any natural situation where water flows to the surface of the earth from underground...
s and seep
Seep
A petroleum seep is a place where natural liquid or gaseous hydrocarbons escape to the earth's atmosphere and surface, normally under low pressure or flow. Seeps generally occur above either terrestrial or offshore petroleum accumulation structures...
s. The Mopahs are considered part of the greater Lower Colorado River Valley
Lower Colorado River Valley
The Lower Colorado River Valley 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 Sea of Cortez in northwestern Mexico, between the states of Baja...
region.
Natural history
The Mopah Range is located in an ecological transition zone between the Mojave DesertMojave Desert
The Mojave Desert occupies a significant portion of southeastern California and smaller parts of central California, southern Nevada, southwestern Utah and northwestern Arizona, in the United States...
(High Desert
High desert
High desert refers to the inland and often high elevation deserts of the American West. Examples of high deserts in North America include the Great Basin Desert and the Mojave Desert.High desert can also mean:...
) and Colorado Desert
Colorado Desert
California's Colorado Desert is a part of the larger Sonoran Desert, which extends across southwest North America. The Colorado Desert region encompasses approximately , reaching from the Mexican border in the south to the higher-elevation Mojave Desert in the north and from the Colorado River in...
region of the Sonoran Desert
Sonoran Desert
The Sonoran Desert is a North American desert which straddles part of the United States-Mexico border and covers large parts of the U.S. states of Arizona and California and the northwest Mexican states of Sonora, Baja California, and Baja California Sur. It is one of the largest and hottest...
(Low Desert
Low Desert
The Low Desert is a common name for one the Deserts of California regional areas, that includes the Colorado Desert and Yuha Desert in the Southern California portion of the Sonoran Desert...
) and therefore contains a high diversity of plant and animal species. The Turtle Mountain range is a northern or southern 'delimiter of occurrence' for some species; for example the endangered California Fan Palm, Washingtonia filifera
Washingtonia filifera
Washingtonia filifera , with the common names California Fan Palm , Desert Fan Palm, Cotton palm, and Arizona Fan Palm. It is a palm native to southwestern North America between an elevation range of , at seeps, desert bajadas, and springs where underground water is continuously available...
, encounters the northern limit of its range in the Mopah-Turtle Mountains
Turtle Mountains (California)
The Turtle Mountains, and Amat 'Achii'ar in the Mojave language, are located in San Bernardino County, California, in the southeastern part of the state.-Geography:The Turtle Mountains are southeast of Needles, California, west off of U.S...
.
Dominate vegetation in the Turtle Mountains Wilderness Area consists of the creosote bush-bur sage with Creosote bush (Larrea tridentata) and the palo verde-cactus shrub ecosystems with the Palo Verde tree
Parkinsonia microphylla
Parkinsonia microphylla is a species of palo verde native to the southwestern United States and northwestern Mexico .- Overview :It is a bristling, upright-branching tree, mostly found on slopes, and is one of the...
(Parkinsonia microphylla). In the washes, Colorado/Sonoran microphylla woodlands can be found. These woodlands include such things as Smoke Tree
Psorothamnus spinosus
Psorothamnus spinosus, known as the Smokethorn, Smoketree, Smoke tree, Indigobush, Smokethorn dalea, and Corona de Cristo, is a perennial legume tree common to the desert washes of the southern part of California, Arizona, and most of Baja California, including islands in the northern Sea of Cortez-...
(Psorothamnus spinosus), Honey Mesquite
Prosopis velutina
Prosopis velutina, commonly known as velvet mesquite, is a small to medium sized perennial tree. It is a legume adapted to a dry, desert climate. Though considered to be a noxious weed in states outside its natural range, it plays a vital role in the ecology of the Sonoran...
(Prosopis velutina), and Catclaw
Acacia greggii
Acacia greggii is a species of Acacia native to the southwestern United States and northern Mexico, from the extreme south of Utah south through southern Nevada, southeast California, Arizona, New Mexico and western Texas to Baja California, Sinaloa and Nuevo León in...
(Acacia greggii).
Wildlife species include Desert Bighorn Sheep
Desert Bighorn Sheep
The Desert Bighorn Sheep is a subspecies of Bighorn Sheep that occurs in the desert Southwest regions of the United States and in the northern regions of Mexico. The trinomial of this species commemorates the American naturalist Edward William Nelson...
, coyote, black-tailed jackrabbit
Black-tailed Jackrabbit
The black-tailed jackrabbit , also known as the american desert hare, is a common hare of the western United States and Mexico, where it is found at elevations from sea level to up to...
s, ground squirrels, kangaroo rats, quail, roadrunner
Roadrunner
Roadrunners are birds of the genus Geococcyx.Roadrunner or Road Runner may also refer to:* Wile E. Coyote and Road Runner, an animated character based on the bird** The Road Runner Show, compiled cartoons including the character...
s, golden eagle
Golden Eagle
The Golden Eagle is one of the best known birds of prey in the Northern Hemisphere. Like all eagles, it belongs to the family Accipitridae. Once widespread across the Holarctic, it has disappeared from many of the more heavily populated areas...
s, prairie falcon
Prairie Falcon
The Prairie Falcon is a medium-sized falcon of western North America.It is about the size of a Peregrine Falcon or a crow, with an average length of 40 cm , wingspan of 1 metre , and weight of 720 g...
s, rattlesnake
Rattlesnake
Rattlesnakes are a group of venomous snakes of the genera Crotalus and Sistrurus of the subfamily Crotalinae . There are 32 known species of rattlesnake, with between 65-70 subspecies, all native to the Americas, ranging from southern Alberta and southern British Columbia in Canada to Central...
s, the Desert Tortoise
Desert Tortoise
The desert tortoise is a species of tortoise native to the Mojave desert and Sonoran desert of the southwestern United States and northwestern Mexico. They can be located in western Arizona, southeastern California, southern Nevada, and southwestern Utah. The species name agassizii is in honor of...
and several species of lizard
Lizard
Lizards are a widespread group of squamate reptiles, with nearly 3800 species, ranging across all continents except Antarctica as well as most oceanic island chains...
s.
Recreation
HikingHiking
Hiking is an outdoor activity which consists of walking in natural environments, often in mountainous or other scenic terrain. People often hike on hiking trails. It is such a popular activity that there are numerous hiking organizations worldwide. The health benefits of different types of hiking...
, horseback riding, camping
Camping
Camping is an outdoor recreational activity. The participants leave urban areas, their home region, or civilization and enjoy nature while spending one or several nights outdoors, usually at a campsite. Camping may involve the use of a tent, caravan, motorhome, cabin, a primitive structure, or no...
, rock hounding, photography, and backpacking can be enjoyed in this wilderness. The area is popular with rock hounding hobbyists and is nationally known for Chalcedony
Chalcedony
Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite. These are both silica minerals, but they differ in that quartz has a trigonal crystal structure, while moganite is monoclinic...
specimens in a form known as "Mopah Roses." Coffin, Mopah, and Mohawk Springs, natural palm oases
Oasis
In geography, an oasis or cienega is an isolated area of vegetation in a desert, typically surrounding a spring or similar water source...
, are popular hiking destinations.