The Chocolate Mountains of California are located in Imperial and Riverside counties in the Colorado Desert of Southern California. The mountains stretch more than 60 miles (100 km) in a northwest to southeast direction, and are located east of the Salton Sea and south and west of the Chuckwalla Mountains and the Colorado River. To the northwest lie the Orocopia Mountains.
The Palen Mountains are located in the southern Mojave Desert – northern Colorado Desert in eastern Riverside County, California, US. The range lies southeast of the Coxcomb Mountains, and northeast of the Chuckwalla Mountains near Interstate 10. The mountains lie in a southwest-northeasterly direction and are approximately 15 miles long and nine miles wide at their widest point.
The Orocopia Mountains are located in Riverside County in southern California, United States, east of the Coachella Valley, west of the Chuckwalla Mountains, and south of Interstate 10 in the Colorado Desert. The range lies in an east-west direction, and is approximately 18 miles long. The Orocopia Mountains are north of and overlooking the Salton Sea and south of Joshua Tree National Park, with the Chocolate Mountains to the southeast and the scenic Mecca Hills just northwest.
The Turtle Mountains, are located in northeastern San Bernardino County, in the southeastern part of California. The colorful Turtle Mountains vary from deep reds, browns, tans and grays, to black. The area has numerous springs and seeps. The Turtle Mountains are also a National Natural Landmark, with two mountain sections of entirely different composition.
The Whipple Mountains 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 Junction, California.
The Little Maria Mountains are located in southeastern California in the United States. The range lies in a northwest-southeasterly direction east of the Palen Mountains and west of the Big Maria Mountains. The mountain range is approximately 15 miles long and is located about 12.6 miles north of Interstate 10, and 12 miles southwest of the abandoned Rice Army Airfield near State Route 62. The Victor Mine is found at the southeastern end of the range near Midland.
The McCoy Mountains are located in southeastern California in the United States. The southeast terminus of the range lies adjacent the western edge of the Parker Valley in a southern stretch of the Lower Colorado River Valley corridor.
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 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 the Mexican states of Baja California/Sonora.
The 112,400-acre (45,500 ha) Warm Springs Wilderness makes up the entirety of the Black Mesa and parts of the surrounding foothills, washes, alluvial fans, and valleys. The Black Mesa is the southernmost section of the Black Mountains of western Mohave County, in northwest Arizona. The region is in the east and southeast of the Mojave Desert of Arizona, southern Nevada, and California.
The Trigo Mountains are a north-south trending mountain range in La Paz County, Arizona, bordering the Colorado River on the east in the Lower Colorado River Valley. The range lies north of the Colorado River as it turns east, north of Martinez Lake and the Imperial Reservoir. 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 Muggins Mountains is a mountain range in southwest Arizona east of Yuma, Arizona, northeast of the Gila Mountains, and east of the Laguna Mountains. The Castle Dome Mountains lie to the northeast across the broad Castle Dome Plain. The Muggins Mountains Wilderness occupies the southwest portion of the range.
The Gila Mountains of Yuma County are a 26-mile (42 km) long mountain range in southwestern Arizona in the northwest Sonoran Desert.
The Maria fold and thrust belt (MFTB) is a portion of the North American Cordillera orogen in which geological structures accommodate roughly north–south to northwest-southeast vergent Mesozoic age crustal shortening. This lies in contrast to the remainder of the Cordillera, in which shortening is predominantly east–west. Structures associated with the Maria Fold and Thrust Belt are exposed in a series of mountain ranges in southeastern California and western Arizona. Many of the deep structures of the MFTB have been exposed due to east–west to northeast-southwest Cenozoic age extension and unroofing.
The Arica Mountains are a small mountain range in northern Riverside County, California. The range lies along the south edge of Rice Valley 6.2 miles (10.0 km) southwest of the old Rice townsite on California State Route 62. They lie 6 miles (9.7 km) north of the Little Maria Mountains and 9 miles (14 km) southwest of the Turtle Mountains. The Granite Mountains lie about 8 miles to the west. They are in the Colorado Desert, in the Lower Colorado River Valley region. They are north the Palen Mountains and Big Maria Mountains; and northwest of Blythe, California.
The Riverside Mountains are a mountain range in Riverside County, California. The town of Vidal, California is located in the West Riverside Mountains.
Mount Manchester is the highest peak in the Dead Mountains of extreme northeastern San Bernardino County, California, in the Mojave Desert.
The Whipple Mountains Wilderness is a 76,122-acre (30,805 ha) wilderness administered by the Bureau of Land Management (BLM). Most of the Whipple Mountains are within the wilderness area. It is located in the northeastern Colorado Desert near the Colorado River. Lake Havasu and Lake Havasu City are 25 miles (40 km) to the North. Earp, California and Parker, Arizona are 20 miles (32 km) to the South. The Parker Dam is 8 miles (13 km) due east.
The Rawhide Mountains are a mountain range of western Arizona, in the southwest of Mohave County. It is part of a block of mountain ranges on the north of an insular region called the Maria fold and thrust belt, containing mountain ranges, valleys, and plains. The Rawhide Mountains border the much smaller Artillery Mountains southeast, bordering on Alamo Lake State Park and the south-flowing Big Sandy River.
The Rice Valley Wilderness is a wilderness area near Blythe and Rice in the Mojave Desert region of California, managed by the Bureau of Land Management.
The Rice Valley is a valley of the southeastern Mojave Desert, located within Riverside County, California.
