Osuga River

Osuga River
Osuga River
Origin Valdai Hills
Mouth Tvertsa River
Basin countries Russia
Length 167 km
Source elevation  
Avg. discharge 17.9 m³/s
Basin area 241 km²

Osuga River (Russian: река́ Осу́га) is a river in Tver Oblast of Russia. It flows out of the Valdai Hills and follows into the Tvertsa River.

The towns located along the river include: Kuvshinovo.