The Khyargas lake is one of the four lakes which cover more than 1000 square. Khyargas lake is elevated at 1023 m above sea level that is in the south of Uvs province, descended from tectonics, covered 1406.8 km2 square, 75 km length, 31 km width, 253.8 km length shore, 92 m depth of water nearby yellow berry line and in other places about 40-50 m depth in there. Khan Khukhii Mountain laying behind of Khyargas Lake is damaged from rainwater thus there are many creeks and chutes. And the south side of the Khyargas lake looks so beautiful that seems jutting the marble white rocks. Khyargas lake has many kinds of fishes that are pikes, herrings of Altai, herrings of Nokhoi and the migratory birds, which are rare, foregather mostly in the surround of the lake thus there is a gorgeous native land wherever unrepeatable.