Kanas Lake is the core of the national natural reserve there. The lake was formed through strong exaration by glaciers. The lake surface is 1,375 m above sea level. Looking like a moon, the lake is 24.5 km long, averagely 1.9 km wide and 90 m deep. As one of the deep lakes of our country, it is 188.4 m deep at the deepest point, and covers an area of 69,000 mu, and holds 4-billion-m3 water. Around the lake are thick and green theropencedrymion that integrates with grasslands in mountains. Kanas Lake is a part of European eco-system, which is very rare in our country. In this natural reserve, there are 798 kinds of plants, of which 30 kinds are rare plants, 39 kinds of animals, 117 kinds of birds and 7 kinds of fishes.