Om (river)

The Om () is a river in the south of the Western Siberian plains in Russia. It is a right tributary of the Irtysh. It is long, and has a drainage basin of . It rises in the Vasyugan Swamp at the border of Novosibirsk and Tomsk oblasts. The name is probably from the word "om" "quiet" in the language of the Baraba Tatars. The city of Omsk is situated at the confluence of Om and Irtysh. The main tributaries are the Icha, Kama and Tartas.