The Juuku (Kyrgyz: Жууку) is a river in Jeti-Ögüz District of Issyk-Kul Region of Kyrgyzstan. It rises on north slopes of Teskey Ala-Too Range and flows into lake Issyk-Kul near Saruu. The length of the river is 63 km (39 mi) and the basin area 590 square kilometres (230 sq mi). Average annual discharge is 6.28 m/s (222 cu ft/s). The maximum flow is 52.2 m/s (1,840 cu ft/s). Three breakthrough-prone moraine-dammed and moraine glacier-dammed lakes, specifically: Chokoly-Kel, Juukuchak, and Juuka Syrty are located in the river basin upstream at altitudes of 3600 m and above posing a risk of floods.