The 70-mile hiking trail stretches along Laurel Mountain from the picturesque Youghiogheny River At Ohiopyle, Pa. to the Conemaugh Gorge near Johnstown, Pa. The trail features overnight trail shelters that must be reserved in advance. Seasoned backpackers challenge themselves on the steep, rugged areas of the trails. Casual hikers enjoy areas that are reasonably level and pleasant for walking.