Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Crowley's Ridge Jacksonport Lake Charles Lake Frierson Moro Bay Pinnacle Mountain White Oak Lake Withrow Springs Region Southwest Upper Delta Central Northwest Park Activity Watchable Wildlife Climbing Fishing Geocaching Kayaking / Canoeing Swimming [X] Hiking [X] Diamond Digging Trail Type Day Hikes Trail Difficulty Easy Moderate Strenuous Author Waymon Cox Don Simons [X] Arkansas State Parks Staff [X] Monika Rued Date Published April 2021 December 2020 November 2020 January 2019 November 2018 September 2018 [X] May 2018 [X] June 2017 May 2017 January 2017 December 2016 October 2016 April 2016 [X] March 2016 February 2016 Six Hidden Gems of Arkansas State Parks May 2018 ⁄ Arkansas State Parks Staff Arkansas is lush with State Parks that people travel from all over to discover. But check out this list of parks that fly under the radar with hidden beauties and a secluded environment. Crater Diamond Find: 2.78-Carat Way Out Yonder Diamond Jun 2017 ⁄ Monika Rued A couple spotted a large brown gem at Crater Diamonds State Park that turned out to be a 2.78-carat diamond. 2.65-Carat Diamond Found at Crater of Diamonds State Park Jun 2017 ⁄ Monika Rued A 25 year old woman thought she had only picked up a piece of glass at Crater of Diamonds State park, but in reality, she found out she had discovered a 2.65-carat brown diamond. The Park that was a Farm Mar 2016 ⁄ Arkansas State Parks Staff Entering Crowley’s Ridge State Park, the first things you notice are the trees. As you wander through the park you will see a wide variety of trees, shrubs, vines, and flowering plants. Pinnacle Mountain State Park Rocks! Mar 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.