Sand Dune Arch is a roughly 0.3-mile out-and-back foot trail in Arches National Park, Utah. Difficulty: easy, from Trailbound's popular-hike list. That is the full hike: the mapped trail line covers only 0.2 mi of it, so don't plan from the map line alone.
Open Sand Dune Arch on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Arches. Arches has permits or reservations for some areas: see the Arches page for what's needed.