Inva
The Inva is a river in Perm Krai, Russia, a right tributary of the river Kama. It begins in the Kama Upland">Kama (river)">Kama Upland near the border of Kirov oblast then flows through Komi-Permyak Okrug and into Kama Reservoir, forming Invensky Bay. The main tributaries are Velva and Kuva, Yusva.
The river is long with a drainage basin of. It is frozen from early November to late April. The town of Kudymkar is along the Inva River.