Arkansas State Parks Trip Ideas Filter Park Devil's Den Crater of Diamonds Crowley's Ridge Historic Washington State Park Mount Magazine Petit Jean Toltec Mounds [X] Cossatot River [X] Pinnacle Mountain Region [X] Central [X] 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 May 2021 March 2021 August 2020 January 2019 October 2017 August 2016 [X] March 2016 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. 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.