The Little Willow River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed December 26, 2012 tributary of the Mississippi River in northern Minnesota, United States. It rises in western Aitkin County at the outlet of Esquagamah Lake and flows generally south to its junction with the Mississippi River northwest of Aitkin.
See also List of rivers of Minnesota
References
Minnesota Watersheds USGS Hydrologic Unit Map - State of Minnesota (1974)