Tunnel Fortifications of Imperial Japan on Sedaroreum Volcanic Cone, Jeju

Built around 1943 under a meticulous plan, this facility has the largest cave chamber of any tunnel fortification on Jeju Island. It takes the form of a grid-like maze with six entrances, and was constructed to conceal underground important military facilities from Allied aerial bombardment, including a combat command post, barracks, an ammunition depot, a fuel depot, an aircraft repair workshop, a torpedo adjustment depot and a communications room. It is a war relic revealing the realities of Japanese colonial aggression, and holds important significance as a site for historical education.

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Where it is

Region

Seogwipo, Jeju

Designation

Registered Cultural Heritage · 국가등록문화유산