Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Region Northwest Southwest Central Lower Delta North Central Upper Delta Park Activity Diamond Digging Mountain Biking Backpacking Climbing Fishing Geocaching Hiking Kayaking / Canoeing Motorcycling Boating / Marinas Hang Gliding Horseback Riding Lake Tours River Running Road Cycling Snorkeling / Scuba Diving Swimming Watchable Wildlife Trail Type Day Hikes Mountain Biking Backpacking Barrier Free (ADA) Horseback Riding Kayaking/Water Trails ATV Wilderness Trail Difficulty Moderate Strenuous [X] Easy Author Arkansas State Parks Staff Matt Manos [X] Meg Matthews [X] Monika Rued Date Published November 2019 December 2016 November 2016 Opt Outside for Green Friday Nov 2019 ⁄ Meg Matthews Green Friday is an antidote to Black Friday where programs will be offered at many Arkansas State Parks on the day after Thanksgiving each year. 1.73-Carat Diamond Found at Crater of Diamonds State Park Dec 2016 ⁄ Meg Matthews Crater of Diamonds State Park is the only public diamond mine in the world. If a visitor finds a diamond its their's to keep. Recently, two guests who go to Crater of Diamonds on a regular basis found the third-largest diamond at the park in 2016. The diamond is a 1.73-carat white gemstone. The new owners of this diamond say they haven't yet decided what they will do with... Green Friday is Time to #OptOutside Dec 2016 ⁄ Monika Rued Nov. 25 is Green Friday, an alternative to the crowds by choosing to #OptOutside and get outdoors. Arkansas State Parks has been offering Green Friday events for over seven years. Beyond Mountain Biking in NWA Nov 2016 ⁄ Monika Rued Northwest Arkansas has a lot to offer, from our mountain biking trails, excursions, parks, and conventions. Once you're done biking, stop in on one of our craft breweries or local restaurants.