| Iren | |
| Length: | 214km (133miles) |
| Mouth Coordinates: | 57.4519°N 56.928°W |
| Basin Size: | 6110km2 |
The Iren (Russian: Ире́нь) is a river in Perm Krai, Russia, a left tributary of the Sylva. It is 214km (133miles) long, with a drainage basin of 6110km2.[1] It starts near village Verh-Iren, in Oktyabrsky District and flows through Uinsky, Ordinsky and Kungursky districts of Perm Krai.
Main tributaries: