The On-Archa ( ky, Он-Арча) is a river in Naryn District of Naryn Region of Kyrgyzstan. It is a right tributary of the river Naryn (river), Naryn. The length of the river is 75 km, watershed - 1570 km
2, and annual average flow rate - 9.92 m
3/s.
References
Rivers of Kyrgyzstan
Naryn Region
{{Kyrgyzstan-river-stub