Dunes Trail is a 4-mile out-and-back foot trail in Guadalupe Mountains National Park, Texas. Difficulty: moderate, estimated from distance. That is the full hike: the mapped trail line covers only 2.74 mi of it, so don't plan from the map line alone. The figure is for the Park Service's “Salt Basin Dunes Trail” hike, which uses this trail.

Salt Basin Dunes Trail · rated “Moderate”
Distance: 3-4 miles (5-7 km) round-trip, out and back Time Estimate: 1-3 hours Difficulty: Moderate.
Read the official NPS description
Open Dunes Trail on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Guadalupe Mountains. Guadalupe Mountains has permits or reservations for some areas: see the Guadalupe Mountains page for what's needed.