Manjanggul Lava Tube
만장굴
Gujwa, Jeju · 제주
One of the longest lava tubes in the world, with one kilometre of its length open to visitors, ending at a 7.6-metre lava column formed where the ceiling collapsed.
Why it’s worth it
It holds a constant 11°C, which makes it the best possible plan on a hot August afternoon. The floor is wet volcanic rock — proper shoes, not sandals.
CategoryLandmarks
AreaGujwa
Hours09:00–18:00 · closed first Wednesday
Typical spend₩
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Photo by Quang Nguyen Vinh on Pexels