Hawaii trails · Keauhou Trail
A 6.9-mile out-and-back in Hawaii, with 2,675 ft of climbing. Reaches Mau Loa o Maunaulu.
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
Keauhou Trail access — parking nearby. 19.33676, -155.20379 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:43 a.m., the sun rises at 6:05 a.m. and sets at 6:36 p.m., and the last usable light fades about 6:58 p.m. (HST) — 12 h 31 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 13.7-mile round trip takes roughly 7 h 45 min, so leaving the trailhead at sunrise puts you back around 1:50 p.m. — 4 h 46 min before sunset.