Tulva
The Tulva () is a river in Perm Krai, Russia, a left tributary of the Votkinsk Reservoir, which is fed and drained by the Kama. The river is long, and its drainage basin covers . The river begins in the highlands in the far south of Perm Krai. Its mouth is southeast of the town of Osa. The main tributaries are the Barda, Bolshaya Amzya, Malaya Amzya, Chiriz, Tyundyuk, Sarashka, Yermiya, and Iskilda.