Liberty Lake is a glacial tarn in the Ruby Mountains of Elko County, Nevada, United States. It is within the Ruby Mountains Wilderness, which is administered by the Ruby Mountains Ranger District of the Humboldt-Toiyabe National Forest. The lake is located near the head of Kleckner Canyon at approximately (40°34.8′N115°23.7′W), and at an elevation of 10,039 feet (3060 meters). It has an area of approximately 21 acres (8.5 hectares), and a depth of up to 108 feet (33 meters). It is one of the sources of Kleckner Creek, which after exiting the mountains merges with other streams to form the South Fork of the Humboldt River.