Pearl River (Mississippi–Louisiana)

The Pearl River is a river in the southeastern United States. It forms the boundary between the states of Mississippi and Louisiana for a significant portion of its length. The river's headwaters originate in east-central Mississippi, and it flows generally southward, eventually emptying into the Mississippi Sound.

The Pearl River is approximately 444 miles (714 km) long. Its watershed drains a large area encompassing portions of Mississippi and Louisiana. Key tributaries of the Pearl River include the Bogue Chitto River and the Strong River.

The river plays an important role in the local ecology and economy. It supports a variety of aquatic life, including fish, shellfish, and other organisms. The river is also used for navigation, recreation, and water supply.

Concerns regarding the Pearl River include water quality issues related to agricultural runoff and industrial discharge, as well as issues related to flooding and navigation. Various agencies and organizations are involved in efforts to manage and protect the Pearl River and its watershed. The lower reaches of the Pearl River are tidal and affected by saltwater intrusion.