|Indian Pass Wilderness|
|Location||Imperial County, California, United States|
|Nearest city||Yuma, Arizona|
|Area||32,418 acres (13,119 ha)|
|Governing body||U.S. Bureau of Land Management|
The Indian Pass Wilderness is 32,418-acre (13,119 ha) wilderness area under the administered by the Bureau of Land Management. The reserve is located in the very southeastern part of the Chocolate Mountains, in the southeastern part of California, just to the west of the Colorado River in the Lower Colorado River Valley. It adjoins the Picacho Peak Wilderness to the south, and the Imperial National Wildlife Refuge to the east.
Quartz Peak at 2,126 feet (648 m) lies in the west of the wilderness. Julian Wash, which drains eastwards into the Colorado River, marks the center of the wilderness and gives the name "Julian Wash Country" to the wilderness area.
Animals such as the Colorado River toad, desert bighorn sheep, and wild burros live in the refuge habitat.
Imperial County is a county in the U.S. state of California. As of the 2010 census, the population was 174,528, making it the least populous county in Southern California. The county seat is El Centro. Established in 1907 from a division of San Diego County, it was the last county to be formed in California.
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 Dead Mountains are a mountain range in the southeastern Mojave Desert, in San Bernardino County, California. The range borders the tri-state intersection of Nevada, Arizona and California, and the Mohave Valley, with the Fort Mojave Indian Reservation bordering the range foothills on the east and northeast, in the three states.
The Chuckwalla Mountains are a mountain range in the transition zone between the Colorado Desert—Sonoran Desert and the Mojave Desert, climatically and vegetationally, in Riverside County of southern California.
The Big Maria Mountains are located in the southeastern part of the U.S. state of California, near the Colorado River and Arizona. The range lies between Blythe and Vidal, and west of U.S. Route 95 in California and east of Midland. The mountains are home to the Eagle Nest Mine and reach an elevation of 1,030 meters, (3,379 ft). A power line that runs from Parker Dam to Yuma, Arizona runs through the range. A smaller range, the Little Maria Mountains, lie to the west of the Big Marias.
The Little Picacho Wilderness is a 38,214-acre (15,465 ha) wilderness area under the jurisdiction of the Bureau of Land Management. The wilderness is found in a southeast extension of the Chocolate Mountains adjacent to the Colorado River, in the southeastern part of California. It should not be confused with the Picacho Peak Wilderness which is located to the northeast.
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 in length.
The Palen Mountains are located in the southern Mojave Desert – northern Colorado Desert in eastern Riverside County, California, USA. 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 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 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 Beaver Dam Mountains Wilderness is a wilderness area located in northwestern Arizona and southwestern Utah, USA, within the arid Colorado Plateau region. The jagged mountains and gently sloping alluvial plain of the Beaver Dam Mountains straddle the border between the two states. The Wilderness contains some of the lowest elevation land in Utah, and includes a 13 miles (21 km) section of the Virgin River Gorge. The area comprises some 18,667 acres (7,554 ha), 15,000 acres (6,100 ha) of which in Arizona and approximately 3,667 acres (1,484 ha) in Utah. The area was designated Wilderness by the U.S. Congress in 1984 and is administered by the Bureau of Land Management.
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. A component of the Imperial National Wildlife Refuge, the reservoir is 16 miles (26 km) northeast of Yuma, Arizona.
The Mopah Range is a desert mountain range, in the Lower Colorado River Valley region, in southeastern San Bernardino County, California.
The Palo Verde Mountains are a mountain range in northeastern Imperial County, California. They are located along the west side of the Colorado River in the Lower Colorado River Valley and Colorado Desert. Palo Verde Peak, which rises to about 1,800 feet in the southern portion, is the highest point in the area. Thumb Peak stands to the north. Clapp Spring, a palm oasis, is located east of Thumb Peak. Clapp Spring is the only permanent water source in the area for wildlife species.
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 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.
BUzzards Peak Wilderness is a protected wilderness area to the southeast of the Milpitas Wash Wilderness separated by California State Route 78 in Imperial County, California. Established in 2019 by the U.S. Congress, the area is managed by the Bureau of Land Management. Indian Pass Wilderness, Imperial National Wildlife Refuge and the Colorado River are to the south and southeast. Wildlife includes the desert tortoise, Yuma kingsnake, Colorado River toad, Great Plains toad, tree lizard, burros, mule deer and mountain lion. Vegetation found in the area: cholla and beavertail cactus, ocotillo, palo verde, acacia, ironwood, and the rare California Ditaxis.