Jeju Horaengi Seongsan Branch is a donut shop in the parking lot of Seongsan Ilchulbong. It sells donuts such as classic and chocolate, along with filled donuts and coffee and drinks, and the sweetness is not heavy. After seeing Seongsan Ilchulbong, you can stop by right away and eat while looking at the peak from the parking lot. Each person must order one donut.