A small mountain glaciar lake in the Karabatkak valley on the foot of the Karabatkak glacier and the Kashkator peak. The lake glacier is the subject of studies on global warming. The glacier is retreating 5 to 6 meters per year. On the shore of the lake, there is a small hut where several measuring devices are installed. The lake is just over 7km from Chong Kyzyl Suu geophysical station.