Chulym River

River in Krasnoyarsk kray (region) and Tomsk oblast (province), Russia, and the longest right-bank tributary of the Ob River; it is 1,118 miles (1,799 km) long and has a basin of 53,400 square miles (134,000 square km). The Chulym, formed by the convergence of the Bely and Chyorny Iyus, rises on the northeastern slopes of the Kuznetsky Alatau Mountains. It flows northward through the mountains and then