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Hawaii trails · N?pau Trail

N?pau Trail

A 4.3-mile out-and-back in Hawaii, with 546 ft of climbing. Reaches Puʻuhuluhulu and other arch/summit/viewpoint destinations.

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Length
4.3 mi
Elevation gain
546 ft
Difficulty
Moderate
Max grade
17%
Steepest mile
+346 ft
Tread at ≥10% grade
0.2 mi
Shape
out-and-back

Elevation profile

2,815 – 3,359 ft1234

The climbing leans toward the first third: 55% of the ascent falls between mile 0.0 and mile 1.4.

3-D terrain

3-D terrain view of N?pau Trail

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

Reaches

Getting there

N?pau Trail access — parking nearby. 19.36501, -155.21558 · directions

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 6:05 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 8.6-mile round trip takes roughly 3 h 44 min, so leaving the trailhead at sunrise puts you back around 9:49 a.m. — 8 h 47 min before sunset.

Nearby trails