National preserve, eastern Nevada, U.S. Made a national park in 1986, the area was previously part of the Humboldt National Forest.
It has an area of 121 sq mi (313 sq km) and consists of the southern part of the Snake Mountains, a chain that rises abruptly from the desert floor to reach a height of 13,063 ft (3,982 m) at Wheeler Peak. A park attraction is the Lehman Caves, a group of limestone caverns.