Uy River (Irtysh basin)
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The Uy (Russian: Уй) is a river in the Novosibirsk and Omsk oblasts of Russia. The Uy flows into the Irtysh River.
Its length is 387 km (240 miles), and it drains a basin estimated at 26,700 km² (10,300 sq mi).
The climate in its basin is mainly snowy, and there is flooding from April to June.