Avalanche Lake is a 9-acre (3.6 ha) mountain lake located in the Adirondack High Peaks in New York. Avalanche Lake sits at 2885 feet (879 m) between 4,714-foot (1,437 m) Mount Colden and-3816 foot (1163 m) Avalanche Mountain. The two mountains rise in vertical cliffs from the surface of the lake.