Firesteel River (Michigan)
General data
- Name: Firesteel River (Michigan)
- Water system: St. Lawrence River
- Water type: River
- Progression: Lake Superior -> St. Marys River (Michigan–Ontario) -> Lake Huron -> St. Clair River -> Lake St. Clair (North America) -> Detroit River -> Lake Erie -> Niagara River -> Lake Ontario -> St. Lawrence River -> Gulf of St. Lawrence -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: North America
- Countries: United States of America
Firesteel River is an 18.3-mile-long (29.5 km] river in Ontonagon County on the Upper Peninsula of the U.S. state of Michigan. The river flows generally northwest between the Flintsteel River and the West Sleeping River and empties into Lake Superior. Branches of the river are identified as the West Branch and East Branch, and the river receives Black Creek about three miles north of the junction of the two main branches.