Hawaii trails · Wailau Trail
A 2.5-mile out-and-back in Hawaii, with 2,803 ft of climbing. Reaches Haleone and other spring/summit destinations.
The climbing is spread fairly evenly along the route. It climbs almost continuously, with little descent to recover on.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:48 a.m., the sun rises at 6:10 a.m. and sets at 6:44 p.m., and the last usable light fades about 7:06 p.m. (HST) — 12 h 34 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 5.0-mile round trip takes roughly 4 h 38 min, so leaving the trailhead at sunrise puts you back around 10:48 a.m. — 7 h 55 min before sunset.