Ishim River
 Ishim River (Russian: Иши́м; Kazakh: Esil) is a river running through Kazakhstan and Russia. Its length is 2450 km (1530 mi) average discharge is 563 m³/s (1988 cu ft/s). It is a left tributary of the Irtysh River. The Ishim River is partly navigable in its lower reaches. The upper course of the Ishim passes through Astana the capital of Kazakhstan. In Russia the river travels through a vast marshland for its course and has countless meanders and oxbow lakes.