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Kelso Dunes | |
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Coordinates: 34°54′13″N115°43′05″W / 34.9034962°N 115.7180508°W [1] | |
Area | |
• Total | 45 sq mi (120 km2) |
Dimensions | |
• Height | 650 ft (200 m) |
Elevation | 3,074 ft (937 m) |
Kelso Dunes, also known as the Kelso Dune Field, is the largest field of aeolian sand deposits in the Mojave Desert. The region is protected by the Mojave National Preserve and is located near the town of Baker, San Bernardino County, California, and the Preserve Visitor Center. [2] The dune field covers 45 square miles (120 km2) and includes migrating dunes, vegetation-stabilized dunes, sand sheets, and sand ramps. The tallest dunes rise up to 650 feet (200 m) above the surrounding terrain.
The dunes are composed predominantly of light-colored quartz and feldspar, most likely eroded from the granitics of the San Bernardino Mountains to the southwest. Magnetite and amphibole can also be found, often accumulating at the dune crests.
Kelso Dunes represent part of a much larger sand transport system, which includes the nearby Devils Playground region. The composition and morphology of the sand grains indicate that most originated from the Mojave River sink near Afton Canyon, which lies to the west of the dunes' current location. The sand has accumulated at the southeastern end of the Soda Lake-Kelso basin, where the Granite Mountains and Providence Mountains form a barrier to prevailing winds. At present, only the area around the Mojave River sink and the westernmost parts of Devil's Playground are receiving new sand through this system; sand is no longer accumulating at Kelso Dunes itself.
The Kelso Dunes are composed of five stacked sets of dunes, each set corresponding to a period of climate change over the last 25,000 years. During dry climate episodes, a decrease in stabilizing vegetation exposed surface sand to wind erosion, which ultimately brought the sand to the dunes (most of the eastern part of the Kelso dunes was formed when nearby Soda Lake and Silver Lake dried into their current playas). However, once the sand was emplaced, vegetation began to grow, locking much of it into place.
The Kelso Dunes are also notable for the phenomenon known as singing sand, or "booming dunes". Enthusiasts sometimes climb to the top of the dunes and slide down slowly, generating a low-frequency rumble that can be both felt and heard. This effect has also been noted at the Eureka Dunes in California, Sand Mountain in Nevada, and the Booming Dunes in the Namib Desert of Africa. The booming is much more pronounced when the dunes are extremely dry.
Kelso Dunes are closed to any vehicles, but are completely open to hikers. The trailhead is at the end of a three-mile (5 km) graded dirt road splitting from Kelbaker Road. This road can be accessed from both Interstate 15 (at Baker) and Interstate 40 (east of Barstow). The dunes themselves lie just southwest of the Kelso ghost town and the Park's Visitor Center located in the historic Kelso Depot. [3]
Like many southern California dune systems, the Kelso dunes have a number of endemic animal species. The list includes at least ten species of insects, such as the Kelso giant sand treader cricket (Macrobaenetes kelsoensis), the Kelso Jerusalem cricket (Ammopelmatus kelsoensis), Rhaphiomidas tarsalis (a rare Mydas fly), and the Kelso shieldback katydid (Eremopedes kelsoensis).
Although not strictly endemic, several plant and reptile species are rare outside of these dunes. One example is the Mojave fringe-toed lizard (Uma scoparia), which is specialized in its ability to "swim" under sand.
The Mojave Desert 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.
Mojave National Preserve is a United States National Preserve located in the Mojave Desert of San Bernardino County, California, US, between Interstate 15 and Interstate 40. The preserve was established October 31, 1994, with the enactment of the California Desert Protection Act by the United States Congress, which also established Joshua Tree National Park and Death Valley National Park as National Parks. Previously, some lands contained within the Preserve were the East Mojave National Scenic Area, under the jurisdiction of the Bureau of Land Management. At 1,542,776 acres (6,243 km2), within the contiguous United States it is the third largest unit of the National Park System and the first largest National Preserve. The preserve was created within the Pacific West Region of the National Park Service and remains within that jurisdiction today.
The Mojave River is an intermittent river in the eastern San Bernardino Mountains and the Mojave Desert in San Bernardino County, California, United States. Most of its flow is underground, while its surface channels remain dry most of the time, except for the headwaters and several bedrock gorges in the lower reaches.
Kelso is a ghost town and defunct railroad depot in the Mojave National Preserve in San Bernardino County, California, USA. It was named after railroad worker John H. Kelso, whose name was placed into a hat along with two other workers to decide the name of the town. The town was built in 1905 specifically as a railroad station along the rail line between Utah and Los Angeles, originally called "Siding 16," because of its location and nearby springs that provided abundant water. Historic Spots in California states, "At Kelso stands a beautiful Spanish-style Union Pacific Depot built about 1906, surrounded by shade trees, a welcome rarity in the hot, barren desert."
Eureka Valley is located in Inyo County, in eastern California in the southwestern United States. It is approximately 28 miles (45 km) long and up to 10 miles (16 km) wide, with elevations varying from 2,870 feet (870 m) up to 8,456 feet (2,577 m). The southern section of the valley is now part of the Death Valley National Park - Death Valley itself lies just to the southeast. To the north is Deep Springs Valley, Fish Lake Valley, and the White Mountain Range. To the east the Last Chance Range rises over 5,500 feet (1,700 m) above the valley floor. To the west are the Saline Mountains, and to the southwest lies Saline Valley.
The San Bernardino Valley is a valley in Southern California located at the south base of the Transverse Ranges. It is bordered on the north by the eastern San Gabriel Mountains and the San Bernardino Mountains; on the east by the San Jacinto Mountains; on the south by the Temescal Mountains and Santa Ana Mountains; and on the west by the Pomona Valley. Elevation varies from 590 feet (180 m) on valley floors near Chino to 1,380 feet (420 m) near San Bernardino and Redlands. The valley floor is home to over 80% of the more than 4 million people in the Inland Empire region.
The Providence Mountains are found in the eastern Mojave Desert of San Bernardino County, California, U.S. The range reaches an elevation of 7,162 feet (2,183 m) at Edgar Peak and is home to the Mitchell Caverns Natural Preserve in the Providence Mountains State Recreation Area, and the Mojave National Preserve.
The Bristol Mountains are found in the Mojave Desert of California, USA, just west of Mojave National Preserve. The range, which reaches an elevation of 3,874 feet, is located in San Bernardino County, and crosses Interstate 40 between Ludlow and the Granite Mountains. At the southern end of the range lies the town of Amboy, the Amboy Crater, and Bristol Dry Lake.
The Devils Playground is a large sandy region in the Mojave Desert in the state of California in the United States. Dunes and salt flats stretch for approximately 40 miles (64 km) in a generally northwest-southeasterly direction in the Mojave National Preserve. The Cronese Mountains are located at its northwestern edge. The "playground" lies between the town of Baker and the Providence Mountains.
Soda Lake is a dry lake at the terminus of the Mojave River in the Mojave Desert of San Bernardino County, California. The lake has standing water during wet periods, and water can be found beneath the surface.
Ludlow is an unincorporated community in the Mojave Desert on Interstate 40, located in San Bernardino County, California, United States. The older remains of the ghost town are along historic Route 66.
The Mojave Road, also known as Old Government Road, is a historic route and present day dirt road across what is now the Mojave National Preserve in the Mojave Desert in the United States. This rough road stretched 147 miles (237 km) from Beale's Crossing, to Fork of the Road location along the north bank of the Mojave River where the old Mojave Road split off from the route of the Old Spanish Trail/Mormon Road.
Rasor Off-Highway Vehicle Area is a remote public use area for the off-highway vehicle user located in the Mojave Desert about 50 miles (80 km) east of Barstow, California, administered by the Bureau of Land Management.
Kelbaker Road is a paved road in San Bernardino County, California, that serves as the primary and busiest route through the Mojave National Preserve. It also connects the communities of Kelso and Baker. Its southern terminus is at County Route 66 between Amboy and Chambless. Kelbaker Road's northern terminus is at Interstate 15 in Baker. The road then continues as California State Route 127 northward to Nevada, connecting to Nevada State Route 373, passing near Death Valley National Park.
The Kelso Depot, Restaurant and Employees Hotel or Kelso Depot, now also the Mojave National Preserve Visitors Center, is located in the Mojave Desert within the National Park Service Mojave National Preserve, on Kelso Cima Road at the junction of Kelbaker Road in Kelso, California, between Baker and Interstate 15 to the north and Interstate 40 to the south. It was placed on the National Register of Historic Places, and along with the adjacent ghost town of Kelso, was declared a United States Historic District in 2000. The district was increased by a boundary increase approved by the National Park Service in 2019, with reference number 100003401.
Lake Mojave is an ancient former lake fed by the Mojave River that, through the Holocene, occupied the Silver Lake and Soda Lake basins in the Mojave Desert of San Bernardino County, California. Its outlet may have ultimately emptied into the Colorado River north of Blythe.
Lake Manix is a former lake fed by the Mojave River in the Mojave Desert. It lies within San Bernardino County, California. Located close to Barstow, this lake had the shape of a cloverleaf and covered four basins named Coyote, Cady/Manix, Troy and Afton. It covered a surface area of 236 square kilometres (91 sq mi) and reached an altitude of 543 metres (1,781 ft) at highstands, although poorly recognizable shorelines have been found at altitudes of 547–558 metres (1,795–1,831 ft). The lake was fed by increased runoff during the Pleistocene and overflowed into the Lake Mojave basin and from there to Lake Manly in Death Valley, or less likely into the Bristol Lake basin and from there to the Colorado River.
Old Dad Mountain is a summit, southwest of the Cinder Cone Lava Beds, west of the Kelso Mountains, north of Jackass Canyon, northeast of the Devils Playground and east of Soda Lake, in San Bernardino County, California. Old Dad Mountain was named in humorous contrast to the nearby Old Woman Mountains.
Mojave Trails National Monument is a large U.S. National Monument located in the state of California between Interstates 15 and 40. It partially surrounds the Mojave National Preserve. It was designated by President Barack Obama on February 12, 2016, along with Castle Mountains National Monument and Sand to Snow National Monument, also in southern California. It is under the administration of the Bureau of Land Management.
Kelso Wash is an ephemeral stream in San Bernardino County, California, United States, that drains into Soda Lake. The town of Kelso lies southeast of the wash.