a river in the Karelian ASSR, a right tributary of the Kern’ River of the White Sea basin. The Chirka-Kem’ is 221 km long and drains an area of 8,270 sq km. It is formed by the confluence of the Chirka and Kem’ rivers, which rise on the West Karelian Elevation. The river flows through a number of lakes before emptying into Lake Iashkoiarvi. Fed by snow and rain, it has a mean flow rate of approximately 81 cu m per sec. The Chirka-Kem’ freezes over between late October and December, and the ice breaks up in late April or May.