Siskiwit River
General data
- Name: Siskiwit River
- Water system: St. Lawrence River
- Water type: River
- Progression: Malone Bay -> 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
The Siskiwit River is a 0.4-mile-long (0.64 km) stream on Isle Royale in Lake Superior, in the U.S. state of Michigan. It forms the outlet of Siskwit Lake and drops 57 feet (17 m) over its short course, flowing over Siskwit Falls and entering Lake Superior at Malone Bay.