Bark River (Rock River)
General data
- Name: Bark River (Rock River)
- Water system: Mississippi River
- Water type: River
- Progression: Rock River (Mississippi tributary) -> Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: North America
- Countries: United States of America
The Bark River is a tributary of the Rock River, about 67.5 miles (108.6 km) long,[1] in southeastern Wisconsin in the United States. Via the Rock River, it is part of the watershed of the Mississippi River. According to the Geographic Names Information System, it has also been known historically as the "Peelbark River".