Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Jacksonport Lake Catherine Lake Charles Lake Frierson Moro Bay Mount Magazine Ozark Folk Center White Oak Lake Withrow Springs [X] Pinnacle Mountain [X] Delta Heritage Trail Region Central Lower Delta Park Activity Climbing Hiking Watchable Wildlife Road Cycling Trail Type Mountain Biking [X] Day Hikes Trail Difficulty Strenuous Easy Moderate Author Arkansas State Parks Staff Meg Matthews Ron Salley Date Published August 2017 August 2016 March 2016 Delta Heritage Trail Development at Arkansas City Aug 2017 ⁄ Meg Matthews Construction of a new trailhead facility at Delta Heritage Trail in Arkansas City will convert trail tracks to pedestrian and bicycle routes, which will stretch from six miles. Is Pinnacle Mountain a Volcano? Aug 2016 ⁄ Ron Salley Pinnacle Mountain stands about 1,000 feet above sea level, is on the extreme eastern edge of the Ouachita Mountain range, and sits where three rivers converge. Pinnacle Mountain State Park Rocks! Mar 2016 ⁄ Arkansas State Parks Staff Tucked away in central Arkansas, Pinnacle Mountain is one of the most accessible state parks for hiking, backpacking, climbing, camping, and biking.