The Trigo Mountains are a north-south trending mountain range in

La Paz County La Paz County is the 15th county in the U.S. state of Arizona, located in the western part of the state. As of the 2020 census, its population was 16,557, making it the second-least populous county in Arizona. The county seat is Parker. The ...

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 ...

, bordering the

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 ...

on the east in the

Lower Colorado River Valley The Lower Colorado River Valley (LCRV) 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 C ...

. The range lies north of the Colorado River as it turns east, north of Martinez Lake and the

Imperial Reservoir The Imperial Reservoir is an artificial lake formed by the construction of the Imperial Diversion Dam across the Colorado River in the Lower Colorado River Valley of Imperial County, California, and Yuma County, Arizona. Partially included in t ...

. The Trigo Mountains are on a north-south stretch of the Colorado River, and form the eastern perimeter of the

Imperial National Wildlife Refuge The Imperial National Wildlife Refuge protects wildlife habitat along of the lower Colorado River in Arizona and California, including the last un-channeled section before the river enters Mexico. The Imperial Refuge Wilderness, a federally desi ...

. Parts of the Trigo Mountains are included in the Trigo Mountains Wilderness and the Yuma Proving Ground.

Specifics of the range

The Trigo Mountains are north-south trending with the northern and central range arcing to the northeast. The curving range parallels the similar-(half the size) curving range to the southeast, the Chocolate Mountains, and the arc-curving ranges would be presumed to be a resultant of the same time-framed thrust-faulting event during the formation of the

Basin and Range Province The Basin and Range Province is a vast physiographic region covering much of the inland Western United States and northwestern Mexico. It is defined by unique basin and range topography, characterized by abrupt changes in elevation, alternating ...

. The highest peak of the Trigos is Mohave Peak at in the southeast, isolated from the main trend of the range. The largest peak that terminates the mountain range in the north is unnamed, at as part of the ''North Trigo Peaks''.

Access

Access from the south is made at the Colorado River at Martinez Lake, and then a 4-wheel drive dirt road to the ''Red Cloud Mine''. Access to the northern regions is more general, by way of the valley containing the

Colorado River Indian Reservation The Colorado River Indian Tribes (Mojave language 'Aha Havasuu, Navajo language: Tó Ntsʼósíkooh Bibąąhgi Bitsįʼ Yishtłizhii Bináhásdzo) is a federally recognized tribe consisting of the four distinct ethnic groups associated with the C ...

on the east bank of the river in Arizona.

Blythe The name Blythe ( or ) derives from Old English ''bliþe'' ("joyous, kind, cheerful, pleasant"; modern ''blithe''), and further back from Proto-Germanic ''*blithiz'' ("gentle, kind"). People * Blythe (given name), including a list of people named ...

, California is northwest of the northern ranges; Yuma, Arizona- Winterhaven, California are about south of the central range.

References

{{Mountains of Arizona Mountain ranges of the Sonoran Desert Mountain ranges of the Lower Colorado River Valley Mountain ranges of La Paz County, Arizona Mountain ranges of Arizona

Specifics of the range

Access

See also

References