Onpyeonghwanhaejangseong Fortress

To defend against seaborne invaders, Jeju Island built fortress walls running along its coastline, known as hwanhaejangseong. Sections of this wall still survive today at fourteen sites, including Onpyeong-ri, Haengwon-ri, Handong-ri, Dongbok-ri, Bukchon-ri, Aewol-ri and Gonae-ri. Kim Sang-heon's Namsarok refers to the hwanhaejangseong as "the Great Wall of Tamna". The surviving wall at Onpyeong is about 2,120 m long, exceptionally long compared with other hwanhaejangseong. Stretching from the Hadong coast of Onpyeong-ri to the boundary of Sinsan-ri village, it is divided into points 1, 2, 3 and 4. Since its designation as a heritage site in 1998 it has been continually repaired.

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Where it is

Region

Seogwipo, Jeju

Designation

Provincial Monument · 시도기념물