The Cooper River in South Carolina is a unique coastal plain waterway that offers exceptional fishing opportunities throughout the year. Originally a tidally influenced tributary to Charleston Harbor, the river was significantly transformed in the 1940s when it became connected to the Santee River system through a series of dams and canals. This created the Santee-Cooper system, fundamentally changing the river's character and fishery. The Cooper River flows approximately 40 kilometers from the Pinopolis Dam to Charleston Harbor, providing both freshwater and brackish water fishing opportunities. The river features deep channels, submerged structure, and varies from narrow upper sections to wide lower reaches as it approaches Charleston Harbor. Its proximity to Charleston makes it highly accessible, while the diverse habitat created by the dam system supports an impressive variety of fish species.