Poteau River

General data
- Name: Poteau River
- Water system: Mississippi River
- Water type: River
- Progression: Arkansas River -> Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Description
The Poteau River is a river located in the U.S. states of Arkansas and Oklahoma extending 141 miles (227 kilometers). It is the only river in Oklahoma that flows north and is the seventh-largest river in the state. The Poteau River is a tributary of the Arkansas River, which is a tributary of the Mississippi River.