Arkansas State Parks Trip Ideas Filter Park Petit Jean Crowley's Ridge Parkin Archeological Pinnacle Mountain [X] Devil's Den [X] Lake Fort Smith [X] Toltec Mounds Region Park Activity Trail Type Trail Difficulty Author Robin Gabe Adam Leslie [X] Arkansas State Parks Staff [X] Rebekah Spurlock Date Published January 2019 April 2016 [X] March 2016 Going Prehistoric! Mar 2016 ⁄ Arkansas State Parks Staff Come and see the archaeological wonders of the Toltec Mounds where you can experience these actual events and see our own piece of prehistory. Living Underground at Devil’s Den State Park Mar 2016 ⁄ Rebekah Spurlock The unique sandstone crevice caves found at Devil’s Den State Park offer an intriguing immersion into the literal center of the layers of geology that support all life in the park. 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.