Bogen (river)

The Bogen is a river in Baydibek and Otyrar districts, Turkistan Region, southern Kazakhstan. It has a length of with a basin area of.
In 1967 the Bogen Dam, with an area of, was built on the river, connecting to the Syr Darya basin by means of the Arys-Turkestan Canal. The waters are used for irrigation.

Course

The river begins at the confluence of the rivers Ulken Bogen and Bala Bogen, flowing from the southwestern slopes of the Karatau ridge. It flows roughly westwards through a floodplain that is between and wide. In its last stretch it bends northwards and discharges into lake Kum-Kol, not reaching the Syr Darya channel. The river is fed mainly by snow and groundwater. Its longest tributary is the long Shayan, now flowing into the Arys-Turkestan Canal.