at 3,217 m, in the south and north respectively. On the east and southeast this range is flanked by the plateau of Mongolia, the transition being affected gradually by means of several minor plateaus, such as Ukok 2,380 m with Pazyryk Valley, Chuya 1,830 m, Kendykty 2,500 m, and Kak 2,520 m, 2,590 m, and 2,410 m.

This region is studded with large lakes, e.g.