Keoneheʻeheʻe is a 15.54-mile out-and-back foot trail in Haleakalā National Park, Hawaii. It climbs 3,114 ft to a high point of 9,769 ft. Difficulty: very strenuous, from the NPS hiking-rating formula.

Keonehe‘ehe‘e (Sliding Sands) OPEN
Distance to the first overlook is 0.50 mile (0.8 km) round trip, with a 50 ft (15 m) elevation change. Beyond that, refer to distances and elevations on the map.
Read the official NPS description
The Park Service lists a shorter hike along this trail: Keonehe‘ehe‘e (Sliding Sands) OPEN, 0.5 mi round trip. The whole mapped trail is 15.54 mi.
Open Keoneheʻeheʻe on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Haleakalā. Haleakalā has permits or reservations for some areas: see the Haleakalā page for what's needed.