The Mattawamkeag River is a river in Maine. From the confluence of its East Branch and West Branch () in Haynesville, about west of the Canada–United States border, the river runs U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed June 22, 2011 south and west to its mouth on the Penobscot River in Mattawamkeag.
See also List of rivers of Maine
References
Maine Streamflow Data from the USGS Maine Watershed Data From Environmental Protection Agency