Black River is an 11.0-mile-long (17.7 km)[2] river on the Upper Peninsula of the U.S. state of Michigan. The river flows into Lake Michigan at 46°05′37″N 85°20′30″W,[1] approximately 5 miles (8 km) east of Naubinway.

The main branch of the river rises at 46°11′59″N 85°22′13″W[1] in a marshy area in eastern Garfield Township near Cranberry Lake Bog.[3] The East Branch rises at 46°08′05″N 85°16′46″W in Hudson Township and joins the main course at 46°05′47″N 85°20′24″W.[4] All of the river's drainage basin is within Mackinac County, much of it within the Lake Superior State Forest.

Tributaries (from the mouth):

• East Branch Black River[4]
  • Borgstrom Creek[5]
• Peters Creek[6]
• Silver Creek[7]
• Bark Creek[8]

References