Arkansas State Parks Trip Ideas Filter Park DeGray Toltec Mounds Village Creek [X] Devil's Den [X] Crater of Diamonds Region Northwest Southwest Park Activity Mountain Biking Diamond Digging Hiking Watchable Wildlife Trail Type Mountain Biking Trail Difficulty Author Mystina Swaim [X] Monika Rued [X] Meg Matthews Date Published November 2020 [X] September 2018 June 2017 May 2017 December 2016 [X] November 2016 [X] October 2016 September 2016 Devil's Den State Park Visitor Gallery Sep 2018 ⁄ Monika Rued We love singing the praises of Devil's Den State Park but don't just take our word for it. Check out our visitor gallery and tag Devil's Den State Park or use #ARstateparks to share your pics and videos. Video Blog: Mountain Biking…Squirrel! Nov 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. Arkansas State Park IMBA World Summit Bookend Rides Nov 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. Visitor Finds 2.03-Carat Diamond at Crater of Diamonds State Park Oct 2016 ⁄ Monika Rued It took less than an hour for a family to discover a 2.03-carat white diamond on the side of a plowed furrow at Arkansas’s Crater of Diamonds State Park.