The Joon Aryk is a river in Kochkor District of Naryn Province of Kyrgyzstan. It is formed by confluence of Kara-Kujur and Telek rivers. The length of the river is , basin area - 1340 square kilometers, and average annual discharge - 11.4 cubic meters per second. Chu River is formed by the confluence of Kochkor River and Joon Aryk near village Kochkor.