Mitchigan River

The Mitchigan River is a 14.9 mi stream in the Upper Peninsula of the U.S. state of Michigan. It flows into the Fence River at 46.29083°N, -88.16611°W in northeast Iron County in Mansfield Township. The Fence River is a tributary of the Michigamme River, which is itself a tributary to the Menominee River, flowing to Lake Michigan. The Mitchigan River has its source in the southeast corner of Baraga County at 46.41611°N, -88.13472°W. It flows mostly southward along the boundary between Iron and Marquette counties, crossing briefly into western Marquette County.

Named tributaries from the mouth include:
 * Outflow from Little Chief Lake in Marquette County
 * Outflow from Chief Lake in Marquette County
 * Outflow from Springhole Lake in Marquette County
 * Outflow from Bullhead Lake in Marquette County
 * West Branch Mitchigan River, which rises at 46.425°N, -88.15°W in southeast Baraga County
 * Leonard Creek, which rises in northeast Iron County at 46.38611°N, -88.15361°W