Potagannissing River
General data
- Name: Potagannissing River
- Water system: St. Lawrence River
- Water type: River
- Progression: 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
The Potagannissing River is an 11.3-mile-long (18.2 km) river in Michigan, located on Drummond Island in Lake Huron.