| Tuntsayoki River (Russian: Тунтсайоки) | |
| Finnish: Tuntsajoki | |
| River | |
| Countries | Russia, Finland |
|---|---|
| Regions | Murmansk Oblast, Lapland (Finland) |
| Mouth | |
| - location | Tumcha River |
| Length | 150 km (93 mi) |
Tuntsayoki River (Russian: Тунтсайоки, Finnish: Tuntsajoki) is a river in the south of the Kola Peninsula in Murmansk Oblast, Russia. It is 150 kilometers (93 mi). The Tuntsayoki River originates in the wood of Finland and flows into the Tumcha River. Its biggest tributary is the Vatsimanyoki River.