Jeju’s Lava Tubes Are World-Renowned

Jeju has the world's finest lava tubes.

Jeju Island lies off the southern coast of the Republic of Korea.

Jeju Volcanic Island and Lava Tubes include three distinct sites.

Geomunoreum has multicoloured carbonate roofs and dark lava walls.

Seongsan Ilchulbong is a fortress-like tuff cone rising from ocean.

Mount Halla is the highest mountain in the Republic of Korea.

Geomunoreum caves show unique stalactites and dark lava walls.

Jeju is a large shield volcano on stationary continental crust.

Seongsan Ilchulbong shows world-class Surtseyan volcanic eruption features.

Jeju’s volcanic features change textures and colours with seasons.

Protected lava tubes hold abundant and diverse carbonate speleothems.

Jeju Volcanic Island and Lava Tubes cover 18,846 hectares total.

The sites cover 10.3 percent of Jeju Island’s surface area.

Management plans protect Jeju’s underground environment from farming.

Jeju’s lava tubes remain the finest and most visually stunning caves.