The Tong (Kyrgyz: Тоң суусу) is a river in Tong District of Issyk-Kul Region of Kyrgyzstan. It rises on north slopes of Teskey Ala-Too Range and flows into the Tong Bay of the lake Issyk-Kul. The length of the river is 36 km (22 mi), and its basin area is 81 km (31 sq mi). Average annual discharge is 2.15 m/s (76 cu ft/s). The river is used for irrigation. The river flows in vicinity of settlements Bökönbaev and Tört-Kül .