Isik Lake, which lies on the lap of the Küngöy Ala Too ridges in the north and Terskey Ala Too ridges in the south, has a common meaning of "warm lake" because it does not freeze in winter, but the word "isik" or "idik" has a "sacred" meaning in Old Kyrgyz.  Isik Lake is one of the largest and deepest lakes in the world in terms of area size (6236 km2) and depth (average 300 m, the deepest point is 668 m). The Isik Lake is one of the largest and deepest lakes in the world in terms of area size (6236 km2) and depth (average 300 m, the deepest point is 66 Dec. The shore of the lake is famous for its magnificent nature and the sea air, which is extremely beneficial for human health. According to geographical conditions, the vicinity of Isik Lake is a holiday resort where health facilities operate.