California is a U.S. state on the western coast of North America. Covering an area of 163,696 sq mi (423,970 km2), California is among the most geographically diverse states. The Sierra Nevada, the fertile farmlands of the Central Valley, and the arid Mojave Desert of the south are some of the major geographic features of this U.S. state. It is home to some of the world's most exceptional trees: the tallest, most massive, and oldest. It is also home to both the highest and lowest points in the 48 contiguous states. The state is generally divided into Northern and Southern California, although the boundary between the two is not well defined. San Francisco is decidedly a Northern California city and Los Angeles likewise a Southern California one, but areas in between do not often share their confidence in geographic identity. The US Geological Survey defines the geographic center of the state at a point near North Fork, California.
The Great Basin is the largest area of contiguous endorheic watersheds, those with no outlets, in North America. It spans nearly all of Nevada, much of Utah, and portions of California, Idaho, Oregon, Wyoming, and Baja California. It is noted for both its arid climate and the basin and range topography that varies from the North American low point at Badwater Basin in Death Valley to the highest point of the contiguous United States, less than 100 miles (160 km) away at the summit of Mount Whitney. The region spans several physiographic divisions, biomes, ecoregions, and deserts.
Mount Whitney is the highest mountain in the contiguous United States and the Sierra Nevada, with an elevation of 14,505 feet (4,421 m). It is in East–Central California, on the boundary between California's Inyo and Tulare counties, 84.6 miles (136.2 km) west-northwest of North America's lowest point, Badwater Basin in Death Valley National Park, at 282 ft (86 m) below sea level. The mountain's west slope is in Sequoia National Park and the summit is the southern terminus of the John Muir Trail, which runs 211.9 mi (341.0 km) from Happy Isles in Yosemite Valley. The eastern slopes are in Inyo National Forest in Inyo County.
The Black Rock Desert is a semi-arid region of lava beds and playa, or alkali flats, situated in the Black Rock Desert–High Rock Canyon Emigrant Trails National Conservation Area, a silt playa 100 miles (160 km) north of Reno, Nevada that encompasses more than 300,000 acres (120,000 ha) of land and contains more than 120 miles (200 km) of historic trails. It is in the northern Nevada section of the Great Basin with a lakebed that is a dry remnant of Pleistocene Lake Lahontan.
The Humboldt River is an extensive river drainage system located in north-central Nevada. It extends in a general east-to-west direction from its headwaters in the Jarbidge, Independence, and Ruby Mountains in Elko County, to its terminus in the Humboldt Sink, approximately 225 direct miles away in northwest Churchill County. Most estimates put the Humboldt River at 300 miles (480 km) to 330 miles (530 km) long however, due to the extensive meandering nature of the river, its length may be more closely estimated at 380 miles (612 km). It is located within the Great Basin Watershed and is the third longest river in the watershed behind the Bear River at 355 miles (570 km) and the Sevier River at 325 miles (523 km). The Humboldt River Basin is the largest sub-basin of the Great Basin encompassing an area of 16,840 square miles (43,615 km2). It is the only major river system wholly contained within the state of Nevada.
The Humboldt Sink is an intermittent dry lake bed, approximately 11 mi (18 km) long, and 4 mi (6 km) across, in northwestern Nevada in the United States. The body of water in the sink is known as Humboldt Lake. The sink and its surrounding area was a notorious and dreaded portion of overland travel to California during the westward migrations of the mid-1800s, which were largely undertaken along the California Trail.
The East Humboldt Range is a mountain range in Elko County, Nevada, United States. It is located along the eastern edge of the upper watershed of the Humboldt River, which flows to the southwest from its source just north of the range. The range reaches a maximum elevation of 11,306 feet (3,446 m) atop Hole in the Mountain Peak. Most of the range is included within the Ruby Mountains Ranger District of the Humboldt-Toiyabe National Forest. In 1989, the United States Congress passed the Nevada Wilderness Protection Act establishing over 36,000 acres (150 km2) of the range as the East Humboldt Wilderness. The range takes its name from the Humboldt River. The name ultimately is derived from the German naturalist Alexander von Humboldt.
The Owyhee River is a tributary of the Snake River located in northern Nevada, southwestern Idaho and southeastern Oregon in the United States. It is 280 miles (450 km) long. The river's drainage basin is 11,049 square miles (28,620 km2) in area, one of the largest subbasins of the Columbia Basin. The mean annual discharge is 995 cubic feet per second (28.2 m3/s), with a maximum of 50,000 cu ft/s (1,400 m3/s) recorded in 1993 and a minimum of 42 cu ft/s (1.2 m3/s) in 1954.
The Quinn River, once known as the Queen River, is an intermittent river, approximately 110 miles (180 km) long, in the desert of northwestern Nevada in the United States. It drains an enclosed basin inside the larger Great Basin.
The Walker River is a river in west-central Nevada in the United States, approximately 62 miles (100 km) long. Fed principally by snowmelt from the Sierra Nevada of California, it drains an arid portion of the Great Basin southeast of Reno and flows into the endorheic basin of Walker Lake. The river is an important source of water for irrigation in its course through Nevada; water diversions have reduced its flow such that the level of Walker Lake has fallen 160 feet (49 m) between 1882 and 2010. The river was named for explorer Joseph Reddeford Walker, a mountain man and experienced scout who is known for establishing a segment of the California Trail.
The Kings River is a tributary of the Quinn River, about 40 mi (64 km) long, in northwestern Nevada and south-central Oregon in the United States. It drains a remote arid area of the northwestern Great Basin.
The West Walker River is a tributary of the Walker River, approximately 95 miles (153 km) long, in eastern California and western Nevada in the United States. It drains part of the Sierra Nevada range along the California-Nevada border in the watershed of Walker Lake in the Great Basin. The river derives its name from Joseph R. Walker, a mountain man.
The Little Humboldt River is a tributary of the Humboldt River, approximately 60 miles (97 km) long, in northern Nevada in the western United States. It is an intermittent stream draining a rugged area on the edge of the Owyhee Desert in the Great Basin.
The Ruby Mountains are a mountain range, primarily located within Elko County with a small extension into White Pine County, in Nevada, United States. Most of the range is included within the Humboldt-Toiyabe National Forest. The range reaches a maximum elevation of 11,387 feet (3,471 m) on the summit of Ruby Dome. To the north is Secret Pass and the East Humboldt Range, and from there the Rubies run south-southwest for about 80 miles (130 km). To the east lies Ruby Valley, and to the west lie Huntington and Lamoille Valleys. The Ruby Mountains are the only range of an introduced bird, the Himalayan snowcock, in North America.
The landlocked U.S. state of Nevada has a varied geography and is almost entirely within the Basin and Range Province and is broken up by many north–south mountain ranges. Most of these ranges have endorheic valleys between them.
The Sahwave Mountains are a mountain range in Pershing County, Nevada. The Sahwaves are a north – south trending range typical of the Basin and Range Province.
The Sevier Desert is a large arid section of central-west Utah, United States, and is located in the southeast of the Great Basin. It is bordered by deserts north, west, and south; its east border is along the mountain range and valley sequences at the perimeter of the Great Basin, with the large north–south Wasatch Range and its associated mountainous landforms. Its eastern border is specifically, the East Tintic, Gilson, and Canyon Mountains; also the massive Pahvant Range.
The Carson Desert is a desert in the Lahontan Basin and the desert valley of Churchill County, Nevada (U.S.), which receives an average 5 inches (130 mm) annual precipitation. The desert is the low valley area between the adjacent mountain ranges, while the larger watershed includes the interior slopes of the demarcating ranges. The desert was inundated by Lake Lahontan during the Pleistocene, and the watershed became part of Nevada's Conservation Security Program in 2005.
The Battle Mountains or Battle Mountain Range is a mountain range in western Lander and southeastern Humboldt counties of Nevada. The communities of Battle Mountain and Valmy lie just to the east and north respectively along Interstate 80 in the Humboldt River valley. Nevada State Route 305 runs along the southeast side of the range from Battle Mountain toward Austin to the south.
Crown Point is a mountain with a summit elevation of 11,346 feet (3,458 m) located in the Sierra Nevada mountain range, in Mono County of northern California, United States. The summit is set in the Hoover Wilderness on land managed by Humboldt–Toiyabe National Forest, whereas the lower southwest slope is set within Yosemite National Park and Tuolumne County. The peak is situated approximately five miles southwest of Twin Lakes, one mile southeast of Peeler Lake, three miles southeast of Kettle Peak, and 4.3 miles (6.9 km) west-northwest of Matterhorn Peak. Topographic relief is significant as the northeast aspect rises over 2,100 feet (640 meters) above the Robinson Lakes in one mile. The first ascent of the summit was made in 1905 by George R. Davis, Albert Hale Sylvester, and Pearson Chapman, all with the United States Geological Survey.
