Bityug River is a river in the Voronezh Oblast

Voronezh Oblast

Voronezh Oblast is a federal subject of Russia . It was established on June 13, 1934.-Main rivers:*Don*Voronezh*Bityug*Khopyor-Economy:...

 in Russia

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...

, left tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the Don River. The upper reaches of the river are located in the Tambov Oblast

Tambov Oblast

Tambov Oblast is a federal subject of Russia . Its administrative center is the city of Tambov. Population: down from 1,178,443 recorded by the 2002 Census.Tambov Oblast is situated in forest steppe.-Birth rate:...

. The length of the Bityug is 379 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 8,840 km². There are more than 400 lakes in the Bityug basin. The river freezes up in mid-December and stays icebound until late March - early April.