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 40.58°N, -115.395°W, and at an elevation of 10,039 ft. It has an area of approximately 21 acre, and a depth of up to 108 ft. 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. The Ruby Crest National Recreation Trail runs along the western shore of the lake.