Tags: Mountain Range.
The Sweetwater Mountains (highest peak Mount Patterson 11654 feet (3552 m)) is a small mountain range in Northern Mono County California and Western Lyon County Nevada separating the West Walker River from the East Walker River. Most of the range is only accessible by four wheel drive vehicle on foot or pack animal. Most of the range is contained in the Toiyabe National Forest. The place name appears on the 1874 California Geologic Survey map of California and Nevada.