Hawaii trails · Kaupo Trail
A 7.8-mile out-and-back in Hawaii, with 5,889 ft of climbing.
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
KAUPO TRAIL access. 20.63696, -156.12236 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:45 a.m., the sun rises at 6:08 a.m. and sets at 6:41 p.m., and the last usable light fades about 7:03 p.m. (HST) — 12 h 33 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 15.6-mile round trip takes roughly 11 h 41 min, so leaving the trailhead at sunrise puts you back around 5:49 p.m. — 52 min before sunset.