Arkansas State Parks Trip Ideas Filter Park [X] Pinnacle Mountain [X] Lake Catherine Region Central Southwest Park Activity Climbing Watchable Wildlife [X] Hiking Trail Type [X] Day Hikes Trail Difficulty Easy Moderate [X] Strenuous Author Arkansas State Parks Staff Ron Salley Date Published August 2016 April 2016 March 2016 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. An Adventure in Spring Apr 2016 The spring birds are back and filling up the air with their songs. The winter bleakness is behind us. The warm air hits my face as I hike on one of our trails here at Lake Catherine State Park. 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.