The Sylva River (Сылва in Russian) is a river in the Sverdlovsk Oblast and Perm Oblast in Russia. It is 493 km in length. The area of the basin is 19,700 sq km. The Sylva River flows into the Chusovoy Cove of the Kamskoye Reservoir . It freezes up in November and stays under the ice until April. Principal tributaries: Iren , Barda, Shakva . Main port: Kungur.