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Edge of Treeline
The Lost Twin Lakes are found at 10,300 feet in the Cloud Peak Wilderness. A 6 mile hike from the West Tensleep Lake trailhead, it's the perfect spot for an overnight backpacking trip. The two lakes are in a glacial cirque surrounded by massive granite cliffs up to 2,000 feet high. Treeline in the Bighorns is at about 10,500' feet so most of the trees were very short around the lake.