Irtysh River
| Irtysh River | |
|---|---|
Irtysh River watershed
|
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| Origin | Altay Mountains |
| Mouth | Ob River |
| Basin countries | Russia, Kazakhstan, China, Mongolia |
| Length | 4,248 kilometres (2,640 mi) |
| Avg. discharge | 2,150 cubic metres per second (76,000 cu ft/s) (near Tobolsk) |
| Basin area | 1,643,000 square kilometres (634,000 sq mi) |
The Irtysh River (Russian: Иртыш; Kazakh: Ertis / Ертiс; Chinese: 额尔齐斯河 / É'ěrqísī hé; Mongolian: Эрчис мөрөн, "Twirl"; Tatar Cyrillic: Иртеш, Latin: İrteş) is a river in Siberia and Kazakhstan. It is the main tributary of the Ob River. The main tributary of the Irtysh is the Tobol River. The Ob-Irtysh forms a major drainage basin in Asia, and covers most of Western Siberia and the Altay Mountains.
