Irgiz (Turgay)

The Irgiz (Ыргыз Yrgyz; Иргиз) is a river in Aktobe and Kostanay regions of Kazakhstan, a right tributary of the Turgay. It is 593 km long, and has a drainage basin of 31600 km2. It was the site of the Irghiz River skirmish in the early 13th century.

Course
The Irgiz rises on the eastern slopes of the Mugodzhar Hills in the Aktobe region of Kazakhstan. It flows in a predominantly southerly direction to its confluence with the Turgay. Its main tributary is the 178 km long Chet-Irgiz (Шет-Иргиз) from the right.