The Snake River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed January 3, 2012 tributary of the Portage River (Keweenaw Waterway) on the Upper Peninsula of Michigan in the United States. Via the Portage River, its water flows to Lake Superior.
See also List of rivers of Michigan
References
Michigan Streamflow Data from the USGS