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만장굴 (제주도 국가지질공원)
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만장굴 (제주도 국가지질공원) · © KTO · KOGL Type 3

Jeju

만장굴 (제주도 국가지질공원)

만장굴 is a curated attraction in Korea — full details, hours, and access info on the official Korea Tourism page.

ROOTIconic stop curated by Korea Tourism OrganizationJeju island vibe — volcanic coast, slow pace

Why go

Manjanggul Lava Tube on Jeju is one of the longest known lava tubes in the world at 7.4 kilometers, formed roughly 200,000 years ago by a single basaltic eruption that left a network of tubes still preserved beneath Jeju's east coast. As part of the "Jeju Volcanic Island and Lava Tubes" UNESCO World Natural Heritage Site, Manjanggul is the only section open to the public, with about 1 kilometer of the cave accessible on a paved walkway. The featured "Stone Turtle" formation and the world's largest lava column (7.6 meters tall) anchor the visit. The cave maintains a constant cool temperature year-round. Allow about 90 minutes including the drive in. Pair with Bijarim Forest or Seongsan Ilchulbong sunrise.

Quick highlights

  • One of the world's longest lava tubes at 7.4 km
  • Part of UNESCO World Natural Heritage Site
  • About 1 km open to the public on paved walkway
  • World's largest lava column (7.6 m) inside the cave
  • Pair with Bijarim Forest or Seongsan Ilchulbong

Nearby best pairs

Other places in Jeju that pair well with this visit.

Travel guides featuring this place

Long-form editorial articles with practical info and visual context.

"A subterranean wonder of Jeju Island?"... Manjanggul Lava Tube, a 200,000-year-old natural marvel

itinerary

"A subterranean wonder of Jeju Island?"... Manjanggul Lava Tube, a 200,000-year-old natural marvel

4 min read