Bark River is a river on the Upper Peninsula of the U.S. state of Michigan. The river flows into Green Bay on Lake Michigan in Ford River Township about southwest of Escanaba at . The Bark River rises from the outflow of Second Lake (which is fed by Pine Creek and the outflow of First Lake) on the boundary between Delta County and Menominee County at . The North Branch Bark River rises in a marshy area just east of Schaffer, Michigan in Bark River Township and joins the main course at . The Bark River was named by some of the first railroad engineers in the area who saw a great quantity of bark floating on the water. References Rivers of Michigan Rivers of Delta County, Michigan Tributaries of Lake Michigan