Irtysh River
River in Asia
The Irtysh 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 close to the border with Mongolia.
The... Wikipedia
Length: 2,640 mi
Source: Altai Mountains
Mouth: Ob River
Discharge: 75,930 ft³/s
Basin size: 1,643,000 km2 (634,000 sq mi)