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Hawaii trails · Alakai Swamp Trail

Alakai Swamp Trail

A 3.4-mile out-and-back in Hawaii, with 369 ft of climbing. Reaches Kilohana and other summit/viewpoint destinations. Managed by the state.

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Length
3.4 mi
Elevation gain
369 ft
Difficulty
Moderate
Max grade
41%
Steepest mile
+352 ft
Tread at ≥10% grade
0.6 mi
Shape
out-and-back
Managed by
State

Elevation profile

3,687 – 4,057 ft123

Most of the climbing sits in the middle third — 56% of the ascent, between mile 1.1 and mile 2.3. It gives back about 272 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

3-D terrain view of Alakai Swamp Trail

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

Reaches

Heads up

Stream ford: expect at least one unbridged crossing.

Getting there

Alakai Swamp Trail access — restroom. 22.13006, -159.62776 · directions

Daylight at the trailhead

On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:58 a.m., the sun rises at 6:21 a.m. and sets at 6:56 p.m., and the last usable light fades about 7:18 p.m. (HST) — 12 h 35 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 6.9-mile round trip takes roughly 2 h 55 min, so leaving the trailhead at sunrise puts you back around 9:16 a.m. — 9 h 40 min before sunset.

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