Seongsan Ilchulbong [UNESCO World Natural Heritage]

284-12 Ilchul-ro, Seongsan-eup, Seogwipo-si, Jeju Special Self-Governing Province

Rising 180 meters above sea level, Seongsan Ilchulbong is a tuff cone formed about 5,000 years ago by an underwater eruption, a rare occurrence among Jeju Island's many craters. When lava mixed with …