Half Dome Trail is a 16.4-mile out-and-back foot trail in Yosemite National Park, California. It climbs 4,800 ft to a high point of 8,804 ft. Difficulty: strenuous, rated by the National Park Service. That is the full hike: the mapped trail line covers only 4 mi of it, so don't plan from the map line alone.

Half Dome Trail · rated “Strenuous”
14 mi-16.4 mi / 22.4 km-26.2 km (round trip)
Read the official NPS description
Open Half Dome Trail on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Yosemite. Yosemite has permits or reservations for some areas: see the Yosemite page for what's needed.