The Calcasieu River is a significant waterway located in southwestern Louisiana. It flows approximately 200 miles, starting from the Kisatchie National Forest and emptying into the Gulf of Mexico. The river is an important resource for local ecosystems and supports various wildlife habitats. The river is also vital for commerce, serving as a transportation route for shipping and fishing industries. Its basin includes several towns, such as Lake Charles, which rely on the river for economic activities. The Calcasieu Ship Channel enhances its role in facilitating trade and navigation in the region.