Arkansas State Parks Trip Ideas Filter Park Cossatot River Pinnacle Mountain Region Central Southwest Article: Park Activity Climbing Hiking Watchable Wildlife Article: Trail Type Day Hikes Article: Trail Difficulty Strenuous Author Arkansas State Parks Staff Adam Leslie Don Simons John Morrow Meg Matthews Robin Gabe Waymon Cox Jason Parrie Jeanette Larson Joe Jacobs Monika Rued Randy Pearson Rebekah Spurlock Tara Gillanders [X] Ron Salley [X] Shelley Flanary Date Published [X] August 2016 April 2016 [X] March 2016 Is Pinnacle Mountain a Volcano? Aug 01, 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. A Wild and Scenic River Mar 01, 2016 ⁄ Shelley Flanary Do you hear that sound? Do you hear the music? What could it be? You are standing approximately just southwest of Little Rock, in one of the most spectacular river corridors in the central U.S.