Shish

a river in Omsk Oblast, RSFSR; a right tributary of the Irtysh. The river measures 378 km in length and drains an area of 5,270 sq km. It rises on the Vasiugan Plain and is fed mainly by snow. The mean flow rate 149 km from the mouth is 14.8 cu m per sec. It freezes in late October or early November, and the ice breaks up in the second half of April or the first half of May. The Shish is used to float timber.