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 Camping Picnicking Water Sports Wildlife Viewing
USACE - US Army Corps of Engineers