Arkansas State Parks Trip Ideas Filter Park Petit Jean Toltec Mounds Devil's Den Crater of Diamonds Crowley's Ridge Lake Fort Smith Mississippi River Mount Magazine Parkin Archeological Village Creek [X] Cossatot River [X] Pinnacle Mountain Region Central Southwest Park Activity Climbing Hiking Watchable Wildlife Trail Type Day Hikes Trail Difficulty Easy Moderate Strenuous Author Arkansas State Parks Staff Shelley Flanary Date Published January 2019 October 2017 August 2016 [X] March 2016 A Wild and Scenic River Mar 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. 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.