San Bernardino County, officially the County of San Bernardino and sometimes abbreviated as S.B. County, 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 2,181,654, making it the fifth-most populous county in California and the 14th-most populous in the United States. The county seat is San Bernardino.
The Mojave Desert is a desert in the rain shadow of the southern Sierra Nevada mountains and Transverse Ranges in the Southwestern United States. Named for the indigenous Mohave people, it is located primarily in southeastern California and southwestern Nevada, with small portions extending into Arizona and Utah.
Mojave National Preserve is a United States National Preserve located in the Mojave Desert of San Bernardino County, California, US, between Interstate 15 and Interstate 40. The preserve was established October 31, 1994, with the enactment of the California Desert Protection Act by the United States Congress, which also established Joshua Tree National Park and Death Valley National Park as National Parks. Previously, some lands contained within the Preserve were the East Mojave National Scenic Area, under the jurisdiction of the Bureau of Land Management. At 1,542,776 acres (6,243 km2), within the contiguous United States it is the third largest unit of the National Park System and the first largest National Preserve. The preserve was created within the Pacific West Region of the National Park Service and remains within that jurisdiction today.
The Amargosa River is an intermittent waterway, 185 miles (298 km) long, in southern Nevada and eastern California in the United States. The Amargosa River is one out of two rivers located in the California portion of the Mojave Desert with perennial flow. It drains a high desert region, the Amargosa Valley in the Amargosa Desert northwest of Las Vegas, into the Mojave Desert, and finally into Death Valley where it disappears into the ground aquifer. Except for a small portion of its route in the Amargosa Canyon in California and a small portion at Beatty, Nevada, the river flows above ground only after a rare rainstorm washes the region. A 26-mile (42 km) stretch of the river between Shoshone and Dumont Dunes is protected as a National Wild and Scenic River. At the south end of Tecopa Valley the Amargosa River Natural Area protects the habitat.
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 El Paso Mountains Wilderness was created in 1994 and now has a total of 23,780 acres (96.2 km2). All of the wilderness is in the northern Mojave Desert in eastern Kern County, California and is managed by the Bureau of Land Management. It is located south of Ridgecrest, California.
The Bristol Mountains are found in the Mojave Desert of California, USA, just west of Mojave National Preserve. The range, which reaches an elevation of 3,874 feet, is located in San Bernardino County, and crosses Interstate 40 between Ludlow and the Granite Mountains. At the southern end of the range lies the town of Amboy, the Amboy Crater, and Bristol Dry Lake.
The Sheep Hole Mountains are a mountain range in the Mojave Desert, to the north of Joshua Tree National Park, in San Bernardino County, California. The mountains were once Chemehuevi hunting grounds.
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 m (3,380 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 Chemehuevi Mountains are a mountain range that are found at the southeast border of San Bernardino County in southeastern California and are adjacent the Colorado River. Located south of Needles, California and northwest of the Whipple Mountains, the mountains are oriented in a north–south direction, and stretch for approximately 15 miles (24 km) in length.
The Clipper Mountains are located in the eastern Mojave Desert and protected within Mojave Trails National Monument, in San Bernardino County, California.
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 Bigelow Cholla Garden Wilderness is in the eastern Mojave Desert and within Mojave Trails National Monument, located in San Bernardino County, California.
The Darwin Falls Wilderness is a protected area in the northern Mojave Desert adjacent to Death Valley National Park. The 8,189-acre (3,314 ha) wilderness area was created by the California Desert Protection Act of 1994 and is managed by the Bureau of Land Management as part of the National Wilderness Preservation System.
Bright Star Wilderness is a 8,190-acre (3,314 ha) wilderness area in Kern County in the U.S. state of California.
The Bighorn Mountains are a mountain range of the Mojave Desert and Transverse Ranges, located in San Bernardino County, California. They are primarily within a Bureau of Land Management (BLM) protected area.
The Cleghorn Lakes Wilderness is a 39,167-acre (158.50 km2) wilderness area in the southern Mojave Desert. It is located 16 miles (26 km) northeast of Twentynine Palms, California, and 20 miles (32 km) north of Joshua Tree National Park. It is managed by the Bureau of Land Management.
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.
Mojave Trails National Monument is a large U.S. National Monument located in the state of California between Interstates 15 and 40. The park was created to preserve a wide variety of geological and cultural features including several titular trails - the Old Spanish Trail, the World War II-era Desert Training Center and Route 66. It partially surrounds the Mojave National Preserve. It was designated by President Barack Obama on February 12, 2016, along with Castle Mountains National Monument and Sand to Snow National Monument, also in southern California. It is under the administration of the Bureau of Land Management.
Sand to Snow National Monument is a U.S. National Monument located in San Bernardino County and northern Riverside County, Southern California.
