The Irtysh River (Roushie: Иртыш; Kazakh: Ертіс / Yertis; Cheenese: 额尔齐斯河, pinyin: É'ěrqísī hé; Uyghur: ئېرتىش; Mongolie: Эрчис мөрөн/Erchis, "Twirl"; Tatar Cyrillic: Иртеш, Laitin: İrteş) is a river in Siberie an Kazakhstan an is the chief tributary o the Ob River.

Irtysh River
KintraRoushie, Kazakhstan, Cheenae, Mongolie
Basin
River moothOb River
Pheesical chairacteristics
Lenth4,248 kilometre (2,640 mi)

Coordinates: 61°05′24″N 68°49′15.60″E / 61.09000°N 68.8210000°E / 61.09000; 68.8210000