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.