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Hiking trails & Routes

Hawaiʻi County

Keauhou Trailhead – Puʻuhuluhulu Cinder Cone loop from Mauna Ulu

Hiking trails & Routes

Hawaiʻi County

Keauhou Trailhead – Puʻuhuluhulu Cinder Cone loop from Mauna Ulu

Moderate

2.9

(4)

75

hikers

Keauhou Trailhead – Puʻuhuluhulu Cinder Cone loop from Mauna Ulu

02:09

7.96km

110m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 19, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

East Rift Wilderness

Hawaiʻi Volcanoes National Park

Waypoints

A

Start point

Parking

1

139 m

Keauhou Trailhead

Highlight • Trail

The Puʻu Huluhulu Trailhead is the start of the Nāpau Crater Trail along the Mauna Ulu lava shield. The trail leads past four notable craters: in order of distance from …

Tip by

2

3.74 km

Alae Crater

Highlight • Volcano

Alae Crater is 540 feet deep. During the 1969 eruption Alae Crater nearly completely filled with lava over the course of 13 different episodes.

Tip by

3

5.92 km

Puʻuhuluhulu Cinder Cone

Highlight • Volcano

The name of this cinder cone, Puʻuhuluhulu, means "hairy hill" — an apt descriptor as the vegetation-clad slopes here are a stark contrast to the Mauna Ulu lava flow that …

Tip by

B

7.96 km

End point

Parking

Way Types & Surfaces

Way Types

7.81 km

160 m

Surfaces

7.81 km

160 m

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Elevation

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Weather

Powered by Foreca

Today

Sunday 25 October

28°C

20°C

33 %

Additional weather tips

There’s a fairly high chance of rain. Consider packing a waterproof jacket.

to get more detailed weather forecasts along your route

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