The Chemehuevi Wash is a large

wash WASH (or Watsan, WaSH) is an acronym that stands for "water, sanitation and hygiene". It is used widely by non-governmental organizations and aid agencies in developing countries. The purposes of providing access to WASH services include achievin ...

of northeast

San Bernardino County San Bernardino County (), officially the County of San Bernardino, is a county located in the southern portion of the U.S. state of California, and is located within the Inland Empire area. As of the 2020 U.S. Census, the population was 2,181, ...

in the southeast

Mojave Desert The Mojave Desert ( ; mov, Hayikwiir Mat'aar; es, Desierto de Mojave) is a desert in the rain shadow of the Sierra Nevada mountains in the Southwestern United States. It is named for the indigenous Mojave people. It is located primarily in ...

. The wash enters the center-west bank of

Lake Havasu Lake Havasu () is a large reservoir formed by Parker Dam on the Colorado River, on the border between San Bernardino County, California and Mohave County, Arizona, Arizona. Lake Havasu City sits on the Arizona (eastern) side of the lake with it ...

on the

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

–

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

border. Chemehuevi Wash drains the center of the

Chemehuevi Valley The Chemehuevi are an indigenous people of the Great Basin. They are the southernmost branch of Southern Paiute.Colorado Desert California's Colorado Desert is a part of the larger Sonoran Desert. It encompasses approximately , including the heavily irrigated Coachella and Imperial valleys. It is home to many unique flora and fauna. Geography and geology The Colorado De ...

, the entire region south on the west side of the south-flowing

Colorado River The Colorado River ( es, Río Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and northern Mexico. The river drains an expansive, arid drainage basin, watershed that encompasses parts of ...

Description

The 35-mile (56 km) long Chemehuevi Wash drains the center of Chemehuevi Valley; it begins southwest of the center of the

Sacramento Mountains The Sacramento Mountains are a mountain range in the south-central part of the U.S. state of New Mexico, lying just east of Alamogordo in Otero County (small portions of the range lie in Lincoln County and Chaves County). From north to south, ...

, with the

water divide A drainage divide, water divide, ridgeline, watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins. On rugged land, the divide lies along topographical ridges, and may be in the form of a singl ...

separating the northwest draining Ward Valley, a southwest tributary to the

Piute Wash The Piute Wash of extreme southeastern Nevada and northeast San Bernardino County California is the south-flowing drainage of the Piute Valley. The wash and valley are located northwest of Needles, California. The Piute Wash watershed and Piute ...

region west and northwest of Needles. The Chemehuevi Wash and Valley drain southeasterly, then turn due east for about 12 miles. The Chemehuevi Wash and Valley are about wide and the change in direction of the drainage to due east to meet the west shore of

is caused by the blocks of mountains, the Turtle Mountains southwest, and the

Whipple Mountains The Whipple Mountains ( Mojave: Avii Kur'utat; Chemehuevi: Wiyaatuʷa̱) 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 ...

southeast; the large Whipple

massif In geology, a massif ( or ) is a section of a planet's crust that is demarcated by faults or flexures. In the movement of the crust, a massif tends to retain its internal structure while being displaced as a whole. The term also refers to a ...

is also the cause of the change in the due-south course of the

changing from southeast, back to southwest. The Colorado River then continues mostly south, but again makes other turns before reaching the north of the

Gulf of California The Gulf of California ( es, Golfo de California), also known as the Sea of Cortés (''Mar de Cortés'') or Sea of Cortez, or less commonly as the Vermilion Sea (''Mar Bermejo''), is a marginal sea of the Pacific Ocean that separates the Baja Ca ...

Stepladder Mountains Wilderness

The

Stepladder Mountains Wilderness The Stepladder Mountains are located in southeastern California in the United States. The range, found in San Bernardino County, is home to the 84,199-acre (approximate) Stepladder Mountains Wilderness, which protects the Desert tortoise, Califo ...

, ( Stepladder Mountains), is located in the center of Chemehuevi Valley, near the wash source regions in the northwest.

Watersheds

The ''Chemehuevi Wash Watershed'' is south of the

of southeast

Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...

and California. The watershed is a western tributary to the ''Havasu-Mohave Lakes Watershed''.Havasu-Mohave Lakes Watershed, EPA.

References

External links

*{{commons category-inline, Chemehuevi Valley
Havasu-Mohave Lakes WatershedPiute Wash Watershed, Nevada to California
Washes of California Tributaries of the Lower Colorado River in California Rivers of San Bernardino County, California Rivers of Southern California