Arkansas State Parks Trip Ideas Filter Park Pinnacle Mountain Region North Central Northwest Southwest Upper Delta [X] Central [X] Lower Delta Park Activity Climbing Watchable Wildlife [X] Hiking Trail Type Barrier Free (ADA) [X] Day Hikes [X] Backpacking [X] Wilderness Trail Difficulty Strenuous Easy Moderate Author [X] Matt Manos [X] Ron Salley Date Published [X] November 2016 [X] August 2016 5 Fall Hiking Tips Nov 2016 ⁄ Matt Manos It is hiking season in Arkansas and that brings some unique and beautiful opportunities. The leaves are changing, along with the temperatures. These cooler days can make for some great fall hiking. 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.