Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Bull Shoals - White River Davidsonville DeGray Hobbs State Park Conservation Area Lake Dardanelle Mount Magazine Ozark Folk Center Prairie Grove Battlefield [X] Historic Washington State Park [X] Cossatot River [X] Pinnacle Mountain Region Central Southwest North Central Northwest Park Activity Climbing Hiking Watchable Wildlife Trail Type Day Hikes Trail Difficulty Strenuous Author Meg Matthews Monika Rued Ron Salley Date Published January 2019 [X] March 2018 November 2017 October 2017 February 2017 [X] August 2016 March 2016 50th Annual Jonquil Festival at Historic Washington State Park Mar 2018 ⁄ Monika Rued Join us at Historic Washington State Park for the 50th Anniversary Jonquil Festival. Enjoy classic activities like craft and food vendors, the parade and fish fry. Is Pinnacle Mountain a Volcano? Aug 2016 ⁄ Ron Salley Pinnacle Mountain stands about 1,000 feet above sea level, is on the extreme eastern edge of the Ouachita Mountain range, and sits where three rivers converge. Top 10 Ways to Stay Cool at Arkansas State Parks Aug 2016 ⁄ Meg Matthews While we wait for cooler temperatures to come to The Natural State, here are the top 10 ways to stay cool at Arkansas State Parks during the dog days of summer.