Back River (Saint George River tributary)

General data
- Name: Back River (Saint George River tributary)
- Water system: Atlantic Ocean
- Water type: River
- Progression: St. George River (Maine) -> Muscongus Bay -> Gulf of Maine -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Description
The Back River is a tributary of the Saint George River in Knox County, Maine. From its source in Far Meadow in Cushing, the river runs 10.7 miles (17.2 km) north, through South and North Ponds, to its confluence with the Saint George in Warren.