Upper Skyline Trail is a roughly 5.5-mile out-and-back foot trail in Mount Rainier National Park, Washington. Difficulty: strenuous, from Trailbound's popular-hike list. That is the full hike: the mapped trail line covers only 1.52 mi of it, so don't plan from the map line alone.

Open Upper Skyline Trail on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Mount Rainier. Mount Rainier has permits or reservations for some areas: see the Mount Rainier page for what's needed.