Jeju Island Caves
Jeju Island's volcanic landscape features an extensive network of lava tubes and coastal caves. The UNESCO-listed Manjanggul system showcases geological formations like lava columns and flowlines. Other sites include Guringul, historically used for cold storage, and the man-made tunnels at Songaksan, which served as military coastal defenses during the Japanese occupation in the 1940s. These sites illustrate both the island’s volcanic origins and its mid-20th-century history.
Manjanggul Lava Tube Entrance
UNESCO World Heritage site and one of the world's longest lava tubes. It features a 7.6-meter lava column, the largest known of its kind, along with lava stalactites and flowlines.
Guringul
Natural lava tube on the slopes of Hallasan Mountain, historically utilized as a natural cold storage facility by local residents.
Manjang-gul je2ibgu
Secondary access point to the Manjanggul lava tube system.
Cold cave
Volcanic cave characterized by its ability to maintain freezing temperatures year-round.
Song-agsan jinjidong-gul
Artificial coastal bunkers excavated by the Japanese military during the 1940s for coastal defense and military storage.
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