The Chemehuevi Mountains are found at the southeast border of San Bernardino County in southeastern California adjacent the Colorado River. Located south of Needles, California and northwest of the Whipple Mountains, the mountains lie in a north–south direction in general, and are approximately 15 miles (24 km) in length.
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 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 Mopah Range is a desert mountain range, in the Lower Colorado River Valley region, in southeastern San Bernardino County, California.
The Harcuvar Mountains are a narrow mountain range in western-central Arizona, United States. The range lies just east of the north–south Colorado River, and south of the east–west, west-flowing Bill Williams River, from Alamo Lake.
The Buckskin Mountains is a mountain range in La Paz County, Arizona, United States. The range lies just east of the north–south Colorado River, and borders south of the east–west, west-flowing Bill Williams River.
Butler Valley is a valley of the Maria fold and thrust belt in western Arizona, USA. It lies east of the Colorado River, and is south of the west-flowing Bill Williams River.
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 Centennial Wash (Mohave County) is a northern minor wash tributary to the west-flowing Bill Williams River. The wash drains from the western third of the Rawhide Mountains, and partially forms the southeast border of the wilderness at the northwest of the Rawhide's, the Aubrey Peak Wilderness.
The Aubrey Peak Wilderness is a 15,400-acre (6,230 ha) wilderness administered by the Bureau of Land Management (BLM). The wilderness is located in northwest Arizona in the southwest of Mohave County, a region of the southeastern Mojave Desert's extension into northwest Arizona.
The Hummingbird Springs Wilderness is a 31,200-acre (12,626 ha) wilderness administered by the Bureau of Land Management (BLM). The wilderness is located in the northwest of Maricopa County in northern regions of the central Sonoran Desert of Arizona.
Dutch Flat of Arizona is a valley south of the Sacramento Valley and Interstate 40 in southern Mohave County.
The Black Hills of Greenlee County are a 20 mi (32 km) long mountain range of the extreme northeast Sonoran Desert bordering the south of the White Mountains of eastern Arizona's transition zone.
The Poachie Range is a moderate length mountain range and massif in southeast Mohave County, Arizona, and the extreme southwest corner of Yavapai County; the range also abuts the northeast corner of La Paz County. The Poachie Range massif is bordered by the south-flowing Big Sandy River on its west, and the west-flowing Santa Maria River on its south; both rivers converge at the Poachie Range's southwest at Alamo Lake in Alamo Lake State Park.
The Date Creek Mountains are a short, arid range in southwest Yavapai County, Arizona. Congress is on its southeast foothills, and Wickenburg lies 15 mi (24 km) southeast.
The Aquarius Mountains are a 45-mi (72 km) long mountain range in southeast Mohave County, Arizona. The range lies in the northwest of the Arizona transition zone, and at the southwest of the Coconino Plateau, a subsection of the Colorado Plateau.
The Toroweap Fault of northwest Arizona and southwest Utah is part of a fault system of the west Grand Canyon region, Arizona, US; also the west perimeter regions of the Coconino and Colorado Plateaus. The Hurricane Fault originates at the Toroweap Fault, in the region of the Colorado River, and strikes as the westerly depression of the Toroweap Fault. The Toroweap strikes northerly from the Colorado at the east of Toroweap Valley, and enters south Utah; from the Colorado River, the Hurricane Fault strikes north-northwest along the west flank of the small, regional Uinkaret Mountains, the west border of Toroweap Valley. The Hurricane Fault, and the Hurricane Cliffs strike into southwest Utah as part of the west, and southwest perimeter of the Colorado Plateau. The Hurricane Cliffs are made of Kaibab Limestone, an erosion resistant, cliff-forming rock unit.
The Peacock Mountains are a small, 26 mi (42 km) long mountain range in northwest Arizona, US. The range is a narrow sub-range, and an extension north, at the northeast of the Hualapai Mountains massif, which lies to the southwest. The range is defined by the Hualapai Valley to the northwest, and north and south-flowing washes on its east border, associated with faults and cliffs; the Cottonwood Cliffs are due east, and are connected to the Aquarius Cliffs southward at the west perimeter of the Aquarius Mountains; the cliffs are a result of the Aquarius Fault, which is an extension southward from the Grand Wash Cliffs and Grand Wash Fault which crosses the Colorado River at Lake Mead, and the west perimeter of the Grand Canyon/Colorado Plateau.
