Arkansas State Parks Trip Ideas Filter Park Lake Catherine Pinnacle Mountain Region Central Southwest Park Activity Climbing Watchable Wildlife [X] Hiking Trail Type Day Hikes Trail Difficulty Easy [X] Strenuous [X] Moderate Author Ron Salley Date Published November 2019 May 2018 December 2016 November 2016 [X] August 2016 [X] 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.