Arkansas State Parks Trip Ideas Filter Park Cossatot River Region Southwest Park Activity Trail Type Trail Difficulty Author Arkansas State Parks Staff Adam Leslie Don Simons John Morrow Robin Gabe Jeanette Larson Randy Pearson Rebekah Spurlock Tara Gillanders Waymon Cox [X] Shelley Flanary Date Published March 2020 June 2019 April 2016 [X] March 2016