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Black River
Location
CountryUnited States
Physical characteristics
Mouth 
 • location
Lake Michigan
 • elevation
581 ft (177 m)[1]

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 / 46.09361°N 85.34167°W / 46.09361; -85.34167 (Black River (mouth)),[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 / 46.19972°N 85.37028°W / 46.19972; -85.37028 (Black River (source))[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 / 46.13472°N 85.27944°W / 46.13472; -85.27944 (East Branch Black River (source)) in Hudson Township and joins the main course at 46°05′47″N 85°20′24″W / 46.09639°N 85.34000°W / 46.09639; -85.34000 (East Branch Black River (mouth)).[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[edit]