volcanic crater Seongsan Ilchulbong 1 article SeogwipoSouth KoreaAsia Jeju's sunrise crater Seongsan Ilchulbong Complete Guide Seongsan Ilchulbong is a dramatic volcanic tuff cone on Jeju Island, South Korea, known for its steep summit trail, coastal views and spectacular sunrise. Allow around two to three hours for the main walk, viewpoints and nearby village. Lire le guide →