Gimnyeongsagul cave (김녕사굴) is located close to Manjanggul Cave in the north-eastern part of Jeju Island. The name of the cave, ‘Sagul’, comes from the snake-like formation of the interior of the cave (‘sa’ meaning a serpent). The entrance of the cave is wide like a serpent with its mouth wide open, but once inside the tunnel narrows resembling the body of a snake. Gimnyeongsagul cave is a highly protected area and has been designated a natural monument (No.98).
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3344-2 Pyeongdae-ri, Gujwa-eup, Jeju-si, Jeju-do, South Korea