The Jumbo River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed February 3, 2012 tributary of the East Branch Ontonagon River in Iron and Houghton counties on the Upper Peninsula of Michigan in the United States. Via the East Branch, its waters flow north to the Ontonagon River and then to Lake Superior.
See also List of rivers of Michigan
References
Michigan Streamflow Data from the USGS