The Uy () is a river in

Novosibirsk Novosibirsk is the largest city and administrative centre of Novosibirsk Oblast and the Siberian Federal District in Russia. As of the 2021 Russian census, 2021 census, it had a population of 1,633,595, making it the most populous city in Siber ...

and

Omsk Oblast Omsk Oblast () is a federal subjects of Russia, federal subject of Russia (an oblast), located in southwestern Siberia. The oblast has an area of . Its population is 1,977,665 (Russian Census (2010), 2010 Census) with the majority, 1.12 million, ...

s in

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

. The Uy is a right tributary of the

Irtysh The Irtysh is a river in Russia, China, and Kazakhstan. It is the chief tributary of the Ob (river), Ob and is also the longest tributary in the world. The river's source lies in the Altai Mountains, Mongolian Altai in Dzungaria (the northern p ...

. Its length is , and it drains a basin of . The climate in its basin is mainly snowy, and there is flooding from April to June.

Tributaries

Krapivka (26 km), Kargachi (35 km), Boborovka (55 km), Shchelkanovka (58 km), Bobrovka (68 km), Medvedevka (71 km), Yermakovka (80 km), Kitap (99 km), Unarka (104 km), Intsiss (123 km), Urmanka (134 km), Bolgun (144 km), Uchug (149 km), Shaitanka (158 km), Tereul (197 km), Kainsass (207 km), Stanovaya (217 km), Tuzovka (217 km), Maly Kainsass (230 km), Kainsass (236 km), Keizess (243 km), Shaitanka (256 km), Kalantsass (271 km), Prygan (285 km), Tunguzka (287 km), Iksashka (299 km), Kuitra (309 km), Taitas (324 km), Salym (356 km), Razvily (360 km).Река Уй. Государственный водный реестр. Ui River. State Water Register.
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References

Rivers of Novosibirsk Oblast Rivers of Omsk Oblast {{Siberia-river-stub