The Humboldt Sink is an intermittent

dry lake A dry lake bed, also known as a playa, is a basin or depression that formerly contained a standing surface water body, which disappears when evaporation processes exceeds recharge. If the floor of a dry lake is covered by deposits of alkaline c ...

bed, approximately 11 mi (18 km) long, and 4 mi (6 km) across, in northwestern

Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...

in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

. The body of water in the sink is known as Humboldt Lake. The sink and its surrounding area was a notorious and dreaded portion (called the

Forty Mile Desert The Lahontan Valley is a basin in Churchill County, Nevada, United States. The valley is a landform of the central portion of the prehistoric Lake Lahontan's lakebed of 20,000-9,000 years ago. The valley and the adjacent Carson Sink represent ...

) of overland travel to California during the westward migrations of the mid-1800s, which were largely undertaken along the

California Trail The California Trail was an emigrant trail of about across the western half of the North American continent from Missouri River towns to what is now the state of California. After it was established, the first half of the California Trail f ...

. Humboldt Sink is located between the

West Humboldt Range The West Humboldt Range is a short mountain range in the western Great Basin in northwestern Nevada in the United States. Geography The mountain range runs for approximately southwest to northeast in northern Churchill County and southern Per ...

(to the southeast) and the Trinity Range (to the northwest), on the border between Pershing and

Churchill Sir Winston Leonard Spencer Churchill (30 November 187424 January 1965) was a British statesman, soldier, and writer who served as Prime Minister of the United Kingdom twice, from 1940 to 1945 during the Second World War, and again from 1 ...

counties, approximately 50 mi (80 km) northeast of

Reno Reno ( ) is a city in the northwest section of the U.S. state of Nevada, along the Nevada-California border, about north from Lake Tahoe, known as "The Biggest Little City in the World". Known for its casino and tourism industry, Reno is th ...

. It is fed from the northeast by the 330 miles (530 km) long

Humboldt River 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 t ...

, the second longest river in the

Great Basin 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 fo ...

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and th ...

(after the Bear River).

Interstate 80 Interstate 80 (I-80) is an east–west transcontinental freeway that crosses the United States from downtown San Francisco, California, to Teaneck, New Jersey, in the New York metropolitan area. The highway was designated in 1956 as one ...

passes along the northwest side of the

sink A sink is a bowl-shaped plumbing fixture for washing hands, dishwashing, and other purposes. Sinks have a tap (faucet) that supply hot and cold water and may include a spray feature to be used for faster rinsing. They also include a drain t ...

. The sink has no natural outlet. A channel connecting it with the

Carson Sink Carson Sink is a playa in the northeastern portion of the Carson Desert in present-day Nevada, United States of America, that was formerly the terminus of the Carson River. Today the sink is fed by drainage canals of the Truckee-Carson Irrigat ...

was cut by the

Nevada Department of Transportation The Nevada Department of Transportation (Nevada DOT or NDOT) is a government agency in the U.S. state of Nevada. NDOT is responsible for maintaining and improving Nevada's highway system, which includes U.S. highways and Interstate highways withi ...

in 1984 to prevent Interstate 80 and the town of Lovelock from flooding after heavy snowfall in the preceding three years. As of 2004, this channel has been dry since 1986. The sink, along with the Carson Sink, is remnants of the larger prehistoric

Lake Lahontan Lake Lahontan was a large endorheic Pleistocene lake of modern northwestern Nevada that extended into northeastern California and southern Oregon. The area of the former lake is a large portion of the Great Basin that borders the Sacramento Riv ...

that existed at the end of the last

ice age An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and gre ...

, approximately 13,000 years ago. The sink is protected as part of the

Humboldt Wildlife Management Area The Humboldt Wildlife Management Area (WMA) is a wildlife management area in the U.S. state of Nevada, encompassing the salt marshes at the terminus of the Humboldt River. Habitats and wildlife The Humboldt WMA contains habitats ranging from ...

Wetland A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (Anoxic waters, anoxic) processes prevailing, especially in t ...

s in and near the sink, such as the

Humboldt Salt Marsh The Humboldt Salt Marsh in the Humboldt Sink of northwestern Nevada is a wetland that is 1 of 2 salt marshes within the state (cf. Tonopah Wetland in the Tonopah Basin The Great Basin Desert is part of the Great Basin between the Sierra Nevad ...

provide important nesting, foraging, and resting habitat to large numbers of migratory birds. The sink has a long history of human habitation. In addition to

Lovelock Cave Lovelock Cave (NV-Ch-18) is a North American archaeological site previously known as Sunset Guano Cave, Horseshoe Cave, and Loud Site 18. The cave is about 150 feet long and 35 feet wide.Heizer, Robert F., and Lewis K. Napton (1970). ''Archaeology ...

, an outcrop in the West Humboldt Range in which 2000-year-old duck decoys have been found, there is also evidence of huts constructed in the bed of Lake Humboldt. Evidence from these important archaeological sites suggests that Native Americans hunted and fished in the Humboldt Sink during wetter climatic periods. These

landform A landform is a natural or anthropogenic land feature on the solid surface of the Earth or other planetary body. Landforms together make up a given terrain, and their arrangement in the landscape is known as topography. Landforms include hills, ...

s are named for the Humboldt River, which is in turn named after

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

naturalist

Alexander von Humboldt Friedrich Wilhelm Heinrich Alexander von Humboldt (14 September 17696 May 1859) was a German polymath, geographer, naturalist, explorer, and proponent of Romantic philosophy and science. He was the younger brother of the Prussian minister ...

References

External links

{{coord, 39, 58, 22, N, 118, 36, 27, W, scale:100000, display=title Landforms of Churchill County, Nevada Lahontan Basin Landforms of Pershing County, Nevada