Ishim, river, c.1,130 mi (1,819 km) long, W Siberian Russia and Kazakhstan. It rises N of Qaraghandy in Kazakhstan (where it is known as the Esil), flows W past Atbasar, N past Petropavl, and then joins the Irtysh River at Ust Ishim.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2023, Columbia University Press. All rights reserved.
See more Encyclopedia articles on: CIS and Baltic Physical Geography