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Hawaiʻi County

Fern Rainforest – Nāhuku (Thurston Lava Tube) loop from Kīlauea Iki

Routes

Hiking trails & Routes

Hawaiʻi County

Fern Rainforest – Nāhuku (Thurston Lava Tube) loop from Kīlauea Iki

Easy

hikers

Fern Rainforest – Nāhuku (Thurston Lava Tube) loop from Kīlauea Iki

00:41

2.29km

80m

Hiking

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Last updated: April 7, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Hawaiʻi Volcanoes National Park

Waypoints

Start point

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801 m

Fern Forest in Hawaiʻi Volcanoes National Park

Highlight • Forest

the forest of giant ferns forms a green contrast to the lava desert on the crater floor

Translated by Google •

Tip by

954 m

Fern Rainforest

Highlight • Forest

A small, beautiful rainforest stretches above the Lava Tube. The asphalt path leads to the entrance of the lava tube through the rainforest.

Translated by Google •

Tip by

1.14 km

Nāhuku (Thurston Lava Tube)

Highlight (Segment) • Cave

The 180m long walk-in cave has a special origin: it is a lava cave. So go through it and become aware that 500 years ago hot lava flowed through it.

Translated by Google •

Tip by

2.29 km

End point

Way Types & Surfaces

Way Types

2.21 km

< 100 m

Surfaces

1.68 km

384 m

194 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Thursday 7 May

31°C

17°C

14 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Fern Rainforest – Nāhuku (Thurston Lava Tube) loop from Kīlauea Iki

Fern Forest in Hawaiʻi Volcanoes National Park

Fern Rainforest

Nāhuku (Thurston Lava Tube)

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