Ouachita-Black Rivers System in AR and LA has four locks and dams. There are boat ramps and picnicking facilities on the river. The Felsenthal National Wildlife Refuge is located along the river near the AR and LA border.
Louisiana Field Office 3505 South Grand Street Monroe, LA 71202-5273
Boating Picnicking Water Sports Wildlife Viewing Playground Park Specialized Sport Site
USACE - US Army Corps of Engineers