Ket River also known in its upper reaches as the Big Ket River is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the Krasnoyarsk Krai

Krasnoyarsk Krai

Krasnoyarsk Krai is a federal subject of Russia . It is the second largest federal subject after the Sakha Republic, and Russia's largest krai, occupying an area of , which is 13% of the country's total territory. The administrative center of the krai is the city of Krasnoyarsk...

 and Tomsk Oblast

Tomsk Oblast

Tomsk Oblast is a federal subject of Russia . It lies in the southeastern West Siberian Plain, in the southwest of the Siberian Federal District. Its administrative center is the city of Tomsk. Population:...

 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...

, a right 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 Ob River

Ob River

The Ob River , also Obi, is a major river in western Siberia, Russia and is the world's seventh longest river. It is the westernmost of the three great Siberian rivers that flow into the Arctic Ocean .The Gulf of Ob is the world's longest estuary.-Names:The Ob is known to the Khanty people as the...

. The length of the Ket River is 1,621 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 94,200 km². It freezes up in late October - early November and stays under the ice until late April - early May. Its main tributaries are the Sochur, Orlovka

Orlovka River

The Orlovka River is a river in Tomsk Oblast with its origins in Krasnoyarsk Krai in Russia, a right tributary of the Ket River . The length of the river is 327 km. The area of its basin is 9,010 km². The Orlovka originates from Lake Burgunku and flows over the West Siberian Plain. It freezes up...

, Lisitsa

Lisitsa River

The Lisitsa River, also known as Bolshaya Lisitsa River , is a river in Tomsk Oblast in Russia, a right tributary of the Ket River . The length of the river is 414 km. The area of its basin is 7,980 km². The Lisitsa River flows over the West Siberian Plain. Its biggest tributary is the Raiga River....

, Little Ket, Mendel, Yelovaya

Yelovaya River

The Yelovaya River, also known as Bolshaya Yelovaya River and Chizhandzi River is a river in Krasnoyarsk Krai in Russia, a left tributary of the Ket River . The length of the river is 331 km, the area of its drainage basin is 6,230 km²....

, and Chachamga.

A fort was established at Ketsk in 1602 and at Makovsk on the upper Ket in 1618. In the late 19th century, the Ket-Kas Canal

Ob-Yenisei canal

Ob-Yenisei Canal, also known as Ket-Kas Canal is a disused waterway that connected the basins of the rivers Ob and Yenisei in Siberia.-Location:...

 was built to connect the Ket with the Greater Kas River that flows into the Yenisei. This project would make the
Ket a part of the waterway connecting the Ob River basin with the Yenisei. Unfortunately,
being shallow, long, inconveniently located, and frozen the greater part
of the year, the canal was not competitive with the Trans-Siberian Railway

Trans-Siberian Railway

The Trans-Siberian Railway is a network of railways connecting Moscow with the Russian Far East and the Sea of Japan. It is the longest railway in the world...

, and was abandoned around 1921.