Black River (Red Lake River tributary)
General data
- Name: Black River (Red Lake River tributary)
- Water system: Lake Winnipeg
- Water type: River
- Progression: Red Lake River -> Red River of the North -> Lake Winnipeg -> Nelson River -> Hudson Bay -> Arctic ocean -> Planet Earth
- Climates: Continental
- Continents: North America
- Countries: United States of America
The Black River is a 33.7-mile-long (54.2 km) tributary of the Red Lake River of Minnesota in the United States. Via the Red Lake River, the Red River of the North, Lake Winnipeg, and the Nelson River, it is part of the Hudson Bay watershed.