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must-visit in JejuNational Park & Nature

Manjang Cave(만장굴)

📍 South Korea, Jeju Island, Manjanggul Cave
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Introduction

Manjanggul is a spectacular, unique volcanic lava cave on Jeju Island, a grand, deep underground lava tunnel formed by flowing lava, spectacular and unique, a stunning sight on Jeju. Manjanggul Cave, in northeastern Jeju, is a spectacular, grand and unique volcanic lava cave (lava tube), one of the largest and best-preserved lava caves in the world, listed as a World Natural Heritage (part of Jeju Volcanic Island and Lava Tubes). Unlike a limestone stalactite cave, this unique cave was shaped by flowing volcanic lava: when Hallasan erupted, the surface of the flowing lava cooled and hardened into a crust while the lava beneath kept flowing and eventually drained away, leaving this grand, deep, hollow lava tunnel underground. Walking into this grand, deep, cool underground lava cave, you see a wide, tall, deep, extending passage; on its walls, ceiling and floor remain the unique, spectacular geological traces of the flowing and cooling lava, such as lava flow marks, lava stalactites, lava columns and a giant lava column deep inside (said to be among the tallest known), spectacular, unique and wondrous, a precious natural museum of volcanic geology. This grand, deep, unique and spectacular underground volcanic wonder is breathtaking. (The cave is dark, damp, slippery and cool; wear non-slip shoes, bring a jacket, walk slowly.) A visit to Jeju and its spectacular Manjanggul lava cave is a stunning sight.

Highlights

01
Lava Tunnel
A lava tunnel formed by flowing lava, among the world's largest and best-preserved.
02
World Heritage
Part of Jeju Volcanic Island and Lava Tubes, a World Natural Heritage site.
03
Lava Traces
Walls keep lava flow marks, lava stalactites and columns, spectacular and unique.
04
Giant Column
A giant lava column deep in the cave, among the world's tallest, wondrous.

🛈 Practical Info

TicketsBuy tickets to enter; some sections or Mondays closed, check ahead.
Non-SlipCave is dark and slippery; wear non-slip shoes, walk slowly, hold on.
WarmthThe cave is cool; bring a jacket.
Protect GeologyDo not touch, strike or take lava formations; protect the wonder.
LightingThe cave is dim; mind your step and stay on the path.

💡 Tips

Visit the spectacular Manjanggul, a grand lava tunnel formed by flowing lava, a World Natural Heritage site.
Shaped by Hallasan's lava, the cave walls keep flow marks, stalactites and columns.
Deep inside stands a giant lava column, among the world's tallest, spectacular and wondrous.
Buy tickets to enter, some Mondays closed; dark, slippery and cool inside, wear non-slip shoes and bring a jacket.

FAQ

Any practical tips for visiting Manjang Cave(만장굴)?

Visit the spectacular Manjanggul, a grand lava tunnel formed by flowing lava, a World Natural Heritage site. Shaped by Hallasan's lava, the cave walls keep flow marks, stalactites and columns.

Information on this page is compiled from public sources. Opening hours, ticket prices and other details may change — please verify with official sources before your visit.