Black River is a 29.8-mile-long (48.0 km)^[2] river on the Upper Peninsula of the U.S. state of Michigan. The river flows into the Middle Branch Escanaba River in Ely Township of Marquette County at 46°23′53″N 87°46′15″W^[1] and on into Lake Michigan.

The river rises out of Goose Lake in northeast Republic Township at 46°28′19″N 87°59′46″W^[1] and flows generally southeast through north-central Humboldt Township into Ely Township and the Middle Branch Escanaba River.

Tributaries (from the mouth):

• Bruce Creek^[3]
  • Buto Lake^[4]
• Tower Lake^[5]
• Unnamed stream
  • Nirish Lake^[6]
  • Granite Lake^[7]
• Unnamed stream
  • Lake Lory^[8]
  • Mud Lake^[9]
• Twin Lake^[10]
• Goose Lake^[11]
• Perch Lake^[12]
• Horseshoe Lake^[13]