Region: Ouachita Mountains
Section: Fourche Mountains
States: Arkansas, Oklahoma
Counties: Polk, Scott (AR), LeFlore (OK)
Manager: Ouachita National Forest (link)
The only Wilderness in the AIM area that crosses state lines, Black Fork Mountain Wilderness has 8,430 acres in Arkansas and 5,149 acres in Oklahoma. Black Fork Mountain is a steeply sloped ridge with rock glaciers, rugged terrain, dramatic views, and diverse shrub and tree species. By AIM standards, this is high country: at 2,661 ft, Black Fork Mountain and nearby Poteau Mountain are the two highest peaks in the AIM area, and the 3rd tallest in Arkansas.