Badwater Basin is the lowest elevation in the western hemisphere at 282 feet (86 meters) below sea level. The name comes from this year-round spring where the water comes out salty and is not good to drink. It's located in Death Valley National Park in the state of California. Only 20 miles (32km) from Badwater Basin is Telescope Peak at 11,049 feet (3368 meters) elevation. During the winter it gets covered in snow along with much of the Panamint Mountains.
The geological explanation for the low elevation is the mountain ranges on either side of Death Valley, Panamint to the west and Amargosa to the east, are tilting up and away from the valley, leading to less support for the land in between, resulting in sinking. Death Valley is technically not a valley, because, geologically, valleys form by flowing water. Death Valley formed by the land subsiding. This type of geologic feature is given a German name "graben" pronounced like the bird "robin". But no one will campaigning to the Park Service to have the name of the park changed to "Death Graben."
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