Chatkal River

The Chatkal River (Russian: aткал) is a river that flows through Kyrgyzstan's Jalal-Abad region and Uzbekistan's Tashkent region. It is the Chirchiq's left source river in the Syr Darya basin. It is known as Karakulja in its higher reaches.

The river runs for 223 kilometers (139 miles) and has a basin size of 7,110 square kilometers (2,750 sq mi). It begins when the Chatkal Range meets the Talas Ala-Too Range. From the left, the Aksuu, Kokuybel, Avletim, Ters, and Nayza (Oqbuloq), and from the right, the Karakysmak, Beshterek, Chandalash, and Köksuu.

Water flow at the mouth averages 122 cubic meters per second (4,300 cubic feet per second), with a maximum of 920 cubic meters per second. The Chatkal River originates in the western Tian Shan and flows into Uzbekistan through a lonely valley. The Chandalash Range and a 120-kilometer (75-mile) mountain range of the same name border it. This river is one of the longest rivers in Kyrgyzstan.

Length: 155 km