Arkansas State Parks Trip Ideas Filter Park Bull Shoals - White River Cossatot River Crater of Diamonds Davidsonville DeGray Lake Resort Historic Washington State Park Hobbs State Park Conservation Area Lake Dardanelle Lake Ouachita Ozark Folk Center Pinnacle Mountain Prairie Grove Battlefield Region Northwest Park Activity Trail Type Trail Difficulty Author Date Published September 2021 August 2020 May 2020 February 2020 January 2019