I would suggest BREC Farr Equestrian RV Park if you are interested in being close Baton Rouge or LSU. A typical fairgrounds type camping area. Sites have electric and water. Remote dump site available. Bike path trailhead is there, with extensive pathways on the levee.
Snowmobiled, snowshoed, hiked, cross countries, oh and nice waterfalls.
Loved Lathrop State Park, CO. Great sites and nice walk/bike path.