


Keystone Viaduct is a dramatic multi-arch railroad bridge on the Great Allegheny Passage framed by rolling Allegheny ridges and seasonal foliage. Photograph sweeping arches, reflections, and leading lines from the trail. Easy access from the Meyersdale trailhead; free parking. Best at sunrise/sunset, foggy mornings and autumn for mood; weekdays avoid cyclists. No entry fee — stay off tracks for safety.



Keystone Viaduct is a dramatic multi-arch railroad bridge on the Great Allegheny Passage framed by rolling Allegheny ridges and seasonal foliage. Photograph sweeping arches, reflections, and leading lines from the trail. Easy access from the Meyersdale trailhead; free parking. Best at sunrise/sunset, foggy mornings and autumn for mood; weekdays avoid cyclists. No entry fee — stay off tracks for safety.