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Hawaii trails · Mauna Loa Trail

Mauna Loa Trail

A 15.7-mile out-and-back in Hawaii, with 6,369 ft of climbing. Reaches Puʻuʻulaʻula and other summit destinations.

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Length
15.7 mi
Elevation gain
6,369 ft
Difficulty
Expert
Max grade
21%
Steepest mile
+615 ft
Tread at ≥10% grade
4.7 mi
Shape
out-and-back

Elevation profile

6,671 – 13,038 ft123456789101112131415

The climbing is spread fairly evenly along the route. It climbs almost continuously, with little descent to recover on.

3-D terrain

3-D terrain view of Mauna Loa Trail

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

Reaches

Getting there

Mauna Loa Trail access — parking nearby, restroom. 19.49311, -155.38529 · 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 6:06 a.m. and sets at 6:37 p.m., and the last usable light fades about 6:59 p.m. (HST) — 12 h 31 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 31.4-mile round trip works out to roughly 18 h 00 min of walking — more than a single day of daylight here, so plan it as an overnight or hike it in sections.

Loop options

Nearby trails