 Segments opened to mountain bikes are from the western terminus of the Ouachita Trail at Talimena State Park to the Big Cedar trailhead on US Highway 259 at approximately Mile Marker (MM) 30.5 in Oklahoma, and from the Talimena Scenic Drive Trailhead at MM 54.1, east to Highway 7 at mile 160.4, north of Jessieville, Arkansas.The trail's western end is at Talimena State Park in southeastern Oklahoma, and the eastern end is at Pinnacle Mountain State Park in the small community of Natural Steps, Arkansas in central Arkansas.The first lie within the Ouachita National Forest; the remaining , maintained by Pinnacle Mountain State Park, traverse lands owned by timber companies and Central Arkansas Water.