Chatkal

The Chatkal (Russian: Чаткал) 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.[1]

Chatkal
Native name	Чаткал (Russian)
Location
Country	Kyrgyzstan, Uzbekistan
Physical characteristics
Mouth	Chirchiq
• location	Lake Charvak
• coordinates	41°35′08″N 70°05′57″E
Length	223 km (139 mi)
Basin size	7,110 km2 (2,750 sq mi)
Basin features
Progression	Chirchiq→ Syr Darya→ North Aral Sea
Tributaries
• left	Tüz-Ashuu, Ters, Oqbuloq
• right	Chandalash

The length of the river is 223 kilometres (139 mi), with a basin area of 7,110 square kilometres (2,750 sq mi).[2] 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.[1]

The average rate of water flow near the mouth is 122 cubic metres per second (4,300 cu ft/s), with a maximum 920 cubic metres per second (32,000 cu ft/s).