The Chong Jargylchak (, ) 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. The length of the river is and the basin area . Average annual discharge is . The maximum flow is and the minimum - . According to recent study conducted by Central-Asian Institute for Applied Geosciences the average annual discharge of the river increased to (at gauging station Chong Jargylchak) over the period of 1994–2016, which is 153% higher than during monitoring period from 1940 to 1993, i.e. due to climate change factors.
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