The glacial lake located above Kyanjin Gompa in the Langtang Valley sits at an elevation of approximately 4,100 meters. Fed by the towering Langtang Lirung Glacier, the lake is partially drained to regulate water levels and power a small, local hydroelectric plant. ”The glacial lake is located at 4,100m from which water is channeled to the powerhouse https://www.nepalitimes.com/banner/nepals-first-hydropower-from-a-glacial-lake/