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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.

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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

9,294 – 12,370 ft1234567

The climbing leans toward the first third: 50% of the ascent falls between mile 0.0 and mile 2.5.

3-D terrain

3-D terrain view of Mauna Kea-Umikoa Trail

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5

Reaches

Getting there

Mauna Kea-Umikoa Trail access. 19.80155, -155.45601 · directions

Daylight at the trailhead

On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 5:54 a.m., the sun rises at 6:16 a.m. and sets at 5:59 p.m., and the last usable light fades about 6:21 p.m. (HST) — 11 h 43 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 2:48 p.m. — 3 h 11 min before sunset.

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