Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Region Northwest Southwest Central Lower Delta North Central Upper Delta Park Activity Hiking Climbing Fishing Geocaching Kayaking / Canoeing Watchable Wildlife Backpacking Motorcycling Swimming Boating / Marinas Horseback Riding Lake Tours River Running Road Cycling Snorkeling / Scuba Diving [X] Diamond Digging [X] Mountain Biking [X] Hang Gliding Trail Type Day Hikes Mountain Biking Backpacking Barrier Free (ADA) Horseback Riding Kayaking/Water Trails ATV Wilderness Trail Difficulty Moderate Strenuous [X] Easy Author Meg Matthews 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.