A sampling of hikes around the state from the Arkansas Dept. of Parks & Tourism
The Newton County Chamber of Commerce lists some of the Buffalo River trail.
Conveniently located right in Fort Smith, the Janet Huckabee Arkansas River Valley Nature Center is complete with a network of hiking trails and a conference room the TrailBlazers use for our bimonthly meetings. This is the trail map under 'Grounds and Trails'.
The Ouachita Mountain Hikers are based in Hot Springs, AR.