Uchköl


The Uchköl is a river in the Central Tien Shan of Kyrgyzstan and a right tributary of the Saryjaz River. The river is long, with a drainage basin area of. It originates on the southern slope of the Terskey Alatoo. In its upper reaches it is known as Sarychat, while in the middle course it is called Eertash; in the lower course, after turning eastward, it is known as Uchköl.
The basin contains 165 glaciers and 13 lakes. The valley is used as pastureland.

Course

Uchköl rises on the southern slope of the Terskey Alatoo. In the upper reaches, the river flows eastward; in the middle course it flows southward through a narrow valley; in the lower course it turns eastward and is known as Uchköl before joining the Saryjaz River.

Hydrology

Average annual discharge at the confluence is. Maximum discharge occurs in July–August, while minimum discharge is observed in February–March.

Glaciers and lakes

The Uchköl basin includes 165 glaciers with a combined area of, and 13 lakes.