The Chatkal () is a river of Jalal-Abad Region, Kyrgyzstan and Tashkent Region in Uzbekistan. It is the left source river of the Chirchiq in the Syr Darya basin. In its upper course it is called Karakulja.
The length of the river is , with a basin area of .Чаткал, Great Soviet Encyclopedia It originates at the point where Chatkal Range adjoins Talas Ala-Too Range. Its largest tributaries are the Aksuu, Kokuybel, Avletim, Ters and Nayza (Oqbuloq) from the left, and the Karakysmak, Beshterek, Chandalash and Köksuu from the right.
The average rate of water flow near the mouth is , with a maximum .
References
External links Rivers and lakes of Kyrgyzstan Running the Chatkal River in Turkestan