Patapsco River

General data
- Name: Patapsco River
- Water system: Chesapeake Bay
- Water type: River
- Progression: Chesapeake Bay -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Description
The Patapsco River mainstem is a 39-mile (63 km) river in central Maryland that flows into the Chesapeake Bay.