Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Pinnacle Mountain Region Southwest Central Article: Park Activity Diamond Digging Climbing Hiking Watchable Wildlife Article: Trail Type Day Hikes Article: Trail Difficulty Strenuous Author Arkansas State Parks Staff Meg Matthews Monika Rued Adam Leslie Don Simons John Morrow Robin Gabe Jason Parrie Jeanette Larson Randy Pearson Rebekah Spurlock Shelley Flanary Tara Gillanders [X] Waymon Cox [X] Ron Salley Date Published December 2019 November 2019 October 2019 August 2019 July 2019 June 2019 May 2019 April 2019 March 2019 February 2019 December 2018 [X] September 2017 [X] August 2016 June 2016 [X] March 2016 Surprising Uses for Minerals Found at the Crater of Diamonds Sep 01, 2017 ⁄ Waymon Cox Dozens of minerals can be found at Crater of Diamonds State Park, including calcite, mica, and barite. Each one can be used in different ways to make our lives easier. Is Pinnacle Mountain a Volcano? Aug 01, 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. Crater of Diamonds State Park: A wonderful and crazy place Mar 01, 2016 ⁄ Waymon Cox The main thing that makes Crater of Diamonds State Park so unique is that our visitors are allowed to hunt for diamonds, and then are allowed to keep them.