| Amgun River (Амгунь) | |
| River | |
| Country | Russia |
|---|---|
| Source | |
| - location | confluence Ayakit and Suduk, Khabarovsk Krai |
| Mouth | |
| - location | Amur river |
| Length | 723 km (449 mi) |
| Basin | 55,500 km2 (21,429 sq mi) |
| Discharge | mouth |
| - average | 600 m3/s (21,189 cu ft/s) |
Amgun River (Russian: Амгу́нь) is a river in Khabarovsk Krai, Russia which flows northeast and joins the Amur River from the left near its mouth. The length of the river is 723 km. The area of its basin is 55,500 km². The Amgun is formed by the confluence of the Ayakit and Suduk Rivers. Its main tributary is the Nimelen River. The Amgun teems with fish, such as Siberian salmon, humpback salmon, sturgeon, carp, etc. The Baikal Amur Mainline railway enters the Amgun River valley from the Dusse-Alin Tunnel and follows the river 180 km northeast to Berezovyy where it turns southeast to Komsomolsk.
At its mouth is the village of Tyr which was a Chinese fort during the Mongol and Ming dynasties.