Back Irtisj Afrikaans Эрчиш (суу) ALT إيرتيش Arabic ايرتيش ARZ Ríu Irtish AST İrtış Azerbaijani ایرتیش چایی AZB Иртыш Bashkir Іртыш Byelorussian Іртыш BE-X-OLD
| Irtysh | |
|---|---|
 Irtysh watershed | |
 | |
| Location | |
| Country | Mongolia, China, Kazakhstan, Russia |
| Cities | Oskemen, Semey, Pavlodar, Omsk, Tobolsk, Khanty-Mansiysk |
| Physical characteristics | |
| Source | Altai Mountains |
| • location | Altay Prefecture, China |
| • coordinates | 47°52′39″N 89°58′12″E / 47.87750°N 89.97000°E |
| • elevation | 2,960 m (9,710 ft) |
| Mouth | Ob |
• location | Khanty-Mansiysk, Russia |
• coordinates | 61°04′52″N 68°49′49″E / 61.08111°N 68.83028°E |
• elevation | 20 m (66 ft) |
| Length | 4,248 km (2,640 mi) |
| Basin size | 1,643,000 km2 (634,000 sq mi) |
| Discharge | |
| • average | 2,150 m3/s (76,000 cu ft/s) (near Tobolsk) |
| Basin features | |
| Progression | Ob→ Kara Sea |
 | |
The Irtysh /ɜːrˈtɪʃ, ˈɪərtɪʃ/[note 1] is a river in Russia, China, and Kazakhstan. It is the chief tributary of the Ob and is also the longest tributary river in the world.
The river's source lies in the Mongolian Altai in Dzungaria (the northern part of Xinjiang, China) close to the border with Mongolia.
The Irtysh's main tributaries include the Tobol, Demyanka and the Ishim. The Ob-Irtysh system forms a major drainage basin in Asia, encompassing most of Western Siberia and the Altai Mountains.
- ^ [1] Bitig Kz: ´“Name of the “Irtysh” river.´, 20 September 2020
- ^ The Secret History of the Mongols
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