Atchafalaya
General data
- Water type: Distributary
- Source: Mississippi River
- Progression: Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: North America
- Countries: United States of America
Description
The Atchafalaya River is a 137-mile-long (220 km) distributary of the Mississippi River and mouth of Red River in south central Louisiana in the United States. It flows south, just west of the Mississippi River, and is the fifth largest river in North America, by discharge.