Hawaii trails · Mauna Kea-Umikoa Trail
Mauna Kea-Umikoa Trail
A 7.4-mile out-and-back in Hawaii, with 3,074 ft of climbing. Reaches Puʻumākanaka and other summit destinations.
Length
7.4 mi
Elevation gain
3,074 ft
Difficulty
Expert
Max grade
37%
Steepest mile
+1,165 ft
Tread at ≥10% grade
4.0 mi
Shape
out-and-back
Elevation profile
The climbing leans toward the first third: 50% of the ascent falls between mile 0.0 and mile 2.5.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Puʻumākanaka (summit)
- Mauna Kea (summit)
Daylight at the trailhead
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:43 a.m., the sun rises at 6:06 a.m. and sets at 6:37 p.m., and the last usable light fades about 7:00 p.m. (HST) — 12 h 32 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 14.8-mile round trip takes roughly 8 h 32 min, so leaving the trailhead at sunrise puts you back around 2:38 p.m. — 3 h 59 min before sunset.
Nearby trails
- Mauna Kea–Humuʻula Trail — 2.7 mi
- Humuula Trail — 11.0 mi
- Mauna Loa Trail — 21.7 mi
- Muliwai Trail — 23.9 mi