Lake Khuvsgul is known as Asian Switzerland and the Asian blue pearl. It is 1645 meters above sea level, 136 km long and 262 meters deep. It is the second-most voluminous freshwater lake in Asia and contains almost 70% of Mongolia's fresh water and 0.4% of all the fresh water in the world. The lake formed about 7 million years ago. Geologists say the lake is connected the Baikal Lake underground. Over 46 streams pour into Khuvsgul Lake that contains 12 species of fish, 4 large islands, and 70 percent of the lake is more than 100 meters deep, clear water reaches 24 meters. By the end of the November, water freezes completely 1 m thick ice. The lake is surrounded by high mountains which is 3000-3200 meters above sea level. Khuvsgul Lake has a legend about why Mongolians call the lake as an ocean Khuvsgul.