Breadcrumb Home Arkansas State Park Trails Arkansas State Parks Trails Map Arkansas State Parks Trails Map Filters Map List Clear All Filters [X] Lake Fort Smith State Park [X] Mountain Biking Trail Boston Mountain Trail Facet Grid Trails: Title Trail Type [X] Mountain Biking Backpacking Day Hikes Trail Difficulty Moderate Strenuous Park [X] Lake Fort Smith State Park Facet Grid Trails: Park Region Northwest