| Koyon | |
|---|---|
.jpg) | |
 | |
| Native name | Коён (Russian) |
| Location | |
| Country | Russia |
| Region | Novosibirsk Oblast |
| Physical characteristics | |
| Mouth | Berd |
• coordinates | 54°45′35″N 83°13′39″E / 54.7598°N 83.2275°E |
| Length | 54 km (34 mi) |
| Basin features | |
| Progression | Berd→ Ob→ Kara Sea |
The Koyon (Russian: Коён) is a river in Iskitimsky District of Novosibirsk Oblast, Russia. It is a right tributary of the Berd. The length of the river is 54 kilometers (34 mi).[1] By the Koyon lie the settlements of Mikhaylovka, Verkh-Koyon, Nizhny Koyon and Morozovo.
- ^ "Река Коен (Бол. Коен) in the State Water Register of Russia". textual.ru (in Russian).