Atchafalaya

Water type: River
Continent: North America
Climate: Subtropical

Largest tributaries

Largest Swamps

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.