The Inyo Mountains are a short mountain range east of the Sierra Nevada mountains in eastern California in the United States. The range separates the Owens Valley to the west with Saline Valley to the east, extending for approximately 70 mi (130 km) SSE from the southern end of the White Mountains, from which they are separated by Westgard Pass, to east of Owens Lake.
Geologically, the mountains are a fault block range in the Basin and Range Province, at the western end of the Great Basin. They are considered to be among the most important and best-known Late Proterozoic to Cambrian sections in the United States. Approximately 205,000 acres (810 kmē) of the range are designated as the Inyo Mountain Wilderness managed by the Bureau of Land Management. Much of the northern part of the range is within Inyo National Forest.