Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Pinnacle Mountain Region Southwest Central Article: Park Activity Watchable Wildlife Hiking [X] Diamond Digging [X] Climbing Article: Trail Type Day Hikes Article: Trail Difficulty Easy Moderate Strenuous Author Waymon Cox Arkansas State Parks Staff Date Published November 2019 October 2019 August 2019 July 2019 June 2019 May 2019 April 2019 February 2019 January 2019 December 2018 November 2018 September 2017 June 2017 May 2017 December 2016 October 2016 September 2016 August 2016 [X] June 2016 [X] March 2016 February 2016 What is a Diamond Worth? Jun 01, 2016 ⁄ Waymon Cox Find out how we grade and appraise of the diamonds found at the Arkansas State Park, the different types of diamonds and how often our visitors discover diamonds they can take home. 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. Pinnacle Mountain State Park Rocks! Mar 01, 2016 ⁄ Arkansas State Parks Staff Tucked away in central Arkansas, Pinnacle Mountain is one of the most accessible state parks for hiking, backpacking, climbing, camping, and biking.