Arkansas State Parks Trip Ideas Filter Park Pinnacle Mountain Delta Heritage Trail Hobbs State Park Conservation Area Jacksonport Lake Catherine Lake Charles Lake Frierson Moro Bay Mount Magazine Ozark Folk Center White Oak Lake Withrow Springs [X] Devil's Den [X] Crater of Diamonds Region Northwest Southwest Article: Park Activity Mountain Biking Diamond Digging Article: Trail Type [X] Mountain Biking [X] Day Hikes Article: Trail Difficulty Easy Author Meg Matthews Monika Rued Date Published December 2016 November 2016 1.73-Carat Diamond Found at Crater of Diamonds State Park Dec 01, 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... Video Blog: Mountain Biking…Squirrel! Nov 01, 2016 ⁄ Meg Matthews The popularity of mountain biking has exploded in Arkansas. With mild fall temperatures and beautiful autumn color, now is the time to get on your bike and ride. A Sacred Place – The Fossil Flats Mountain Bike Trail Nov 01, 2016 Fossil Flats is a six mile trail tucked away in Devil's Den State Park that is home to the Arkansas Mountain Bike Championships and Ozark Mountain Bike Festival . Arkansas State Park IMBA World Summit Bookend Rides Nov 01, 2016 ⁄ Monika Rued Arkansas State Parks has been involved in mountain biking since the 1980s and still have a variety of rides, competitions, trails and bike shops.