Arkansas State Parks Trip Ideas Filter Park Devil's Den Hobbs State Park Conservation Area Mount Nebo [X] Pinnacle Mountain Region Northwest [X] Central Park Activity Mountain Biking [X] Hiking [X] Climbing [X] Watchable Wildlife Trail Type Mountain Biking [X] Day Hikes Trail Difficulty Strenuous Easy Moderate Author Arkansas State Parks Staff Ron Salley Date Published May 2021 August 2016 March 2016 Check Out These 4 Monument Trails in Arkansas May 2021 What exactly is a Monument Trail, you ask? It’s a world-class mountain biking trail crafted by some of the world’s best trail builders to show off a specific area’s natural, iconic beauty. And Arkansas State Parks has the only four of these sustainably designed paths just waiting for you to visit. They include Hobbs State Park-Conservation Area, Mount Nebo State Park... Is Pinnacle Mountain a Volcano? Aug 2016 ⁄ Ron Salley Pinnacle Mountain stands about 1,000 feet above sea level, is on the extreme eastern edge of the Ouachita Mountain range, and sits where three rivers converge. 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.