Black River is a 15.5 miles (24.9 km) river in Alcona County

Alcona County, Michigan

Alcona County is a county of the U.S. state of Michigan. As of the 2000 census, the population is 11,719. Its county seat is Harrisville. Alphabetically it is the first county in Michigan, as its flag states "First of the 83".-History:...

 in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Michigan

Michigan

Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....

. The main branch rises in northern Harrisville Township

Harrisville Township, Michigan

Harrisville Township is a civil township of Alcona County in the U.S. state of Michigan. The population was 1,411 at the 2000 census.-Communities:...

 at 44°40′46"N 83°22′15"W and flows north through Haynes Township

Haynes Township, Michigan

Haynes Township is a civil township of Alcona County in the U.S. state of Michigan. The population was 724 at the 2000 census. The township is to the north of the city of Harrisville and to the northeast of the village of Lincoln, which are the nearest population centers.-Communities:*Alcona is a...

 and Alcona Township

Alcona Township, Michigan

Alcona Township is a civil township of Alcona County in the U.S. state of Michigan. As of the 2000 census, the township population was 1,089.-Communities:...

 and empties into Lake Huron

Lake Huron

Lake Huron is one of the five Great Lakes of North America. Hydrologically, it comprises the larger portion of Lake Michigan-Huron. It is bounded on the east by the Canadian province of Ontario and on the west by the state of Michigan in the United States...

 at 44°48′58"N 83°17′57"W at the unincorporated community of Black River.

The north branch rises in Sanborn Township

Sanborn Township, Michigan

Sanborn Township is a civil township of Alpena County in the U.S. state of Michigan. The population was 2,152 at the 2000 census.- Communities :* Ossineke is an unincorporated community in the township on Lake Huron at the mouth of the Devils River...

 in southern Alpena County

Alpena County, Michigan

Alpena County is a county in the U.S. state of Michigan. As of the 2010 census, the population was 29,598. The county seat is Alpena. It is considered to be part of Northern Michigan.It was founded originally in 1840 as Anomickee County...

at 44°52′07"N 83°22′06"W. A large portion of its drainage basin is known as the Black River Swamp. The north branch joins the main branch in Alcona Township approximately 1.5 miles (2.4 km) from the mouth at 44°48′23"N 83°19′33"W.

Tributaries (from the mouth):

• North Branch Black River
  • Potvin Lake
  • Gauthier Creek
  • DeRocher Creek
  • Butternut Creek
    • Liston Creek
• Silver Creek
• Haynes Creek