Arkansas State Parks Trip Ideas Filter Park Petit Jean Toltec Mounds Crater of Diamonds Devil's Den Hobbs State Park Conservation Area Lake Dardanelle Mississippi River Mount Magazine Bull Shoals - White River Cossatot River Crowley's Ridge DeGray Delta Heritage Trail Jacksonport Lake Ouachita Logoly Mount Nebo Ozark Folk Center Parkin Archeological Prairie Grove Battlefield Village Creek [X] Lake Fort Smith [X] Pinnacle Mountain Region Central North Central Park Activity Climbing Hiking Watchable Wildlife Trail Type Day Hikes Trail Difficulty Easy Moderate Strenuous Author Arkansas State Parks Staff Heather Johnson Date Published August 2020 [X] May 2020 April 2020 January 2019 October 2017 January 2017 August 2016 [X] March 2016 Promethea Silkmoth Video May 2020 ⁄ Heather Johnson Lake Fort Smith State Park in western Arkansas offers a variety of habitats for many different wild creatures. The forest here is a perfect home for the extraordinarily large promethea silkmoth, Callosamia promethea. At nearly four inches, the adults’ wings exhibit extraordinary camouflage to avoid predators. 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. More Fun at Lake Fort Smith State Park Mar 2016 ⁄ Arkansas State Parks Staff Who doesn’t enjoy an evening by the fire, nestled in a cabin, in the woods, near a lake? Made all the more special as you feel your muscles relax after a day of hiking, kayaking and fishing.