Amgun River
Amgun River is a river in Khabarovsk Krai
Khabarovsk Krai
Khabarovsk Krai is a federal subject of Russia , located in the Russian Far East. It lies mostly in the basin of the lower Amur River, but also occupies a vast mountainous area along the coastline of the Sea of Okhotsk, an arm of the Pacific Ocean. The administrative center of the krai is the...

, Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

 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
Drainage basin
A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 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
Hucho taimen
The taimen , also known as Siberian taimen and Siberian salmon, is a species of fish in the salmon family of order Salmoniformes.-Habits and range:...

, humpback salmon, sturgeon
Sturgeon is the common name used for some 26 species of fish in the family Acipenseridae, including the genera Acipenser, Huso, Scaphirhynchus and Pseudoscaphirhynchus. The term includes over 20 species commonly referred to as sturgeon and several closely related species that have distinct common...

, carp
Carp are various species of oily freshwater fish of the family Cyprinidae, a very large group of fish native to Europe and Asia. The cypriniformes are traditionally grouped with the Characiformes, Siluriformes and Gymnotiformes to create the superorder Ostariophysi, since these groups have certain...

, etc. The Baikal Amur Mainline railway enters the Amgun River valley from the Dusse-Alin Tunnel
Dusse-Alin Tunnel
The Dusse-Alin Tunnel is a 2 km long railway tunnel on the Baikal Amur Mainline in Siberia, 88 km east of Novy Urgal. Here the line crosses the Bureinsky range to enter the Amgun River valley....

 and follows the river 180 km northeast to Berezovyy where it turns southeast to Komsomolsk.

At its mouth is the village of Tyr
Tyr, Russia
Tyr is a settlement in Ulchsky District of Khabarovsk Krai, Russia, located on the right bank of the Amur River, near the mouth of the Amgun River, about upstream from Nikolayevsk-on-Amur....

which was a Chinese fort during the Mongol and Ming dynasties.
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