The Black River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed June 8, 2011 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.
The Black River was so named on account of its peat-stained waters.
See also List of rivers of Minnesota
References
Minnesota Watersheds USGS Hydrologic Unit Map - State of Minnesota (1974)