Sagyehaebyeon Beach (사계해변)

Located right at the foot of Sanbangsan Mountain, Sagyehaebyeon Beach is a small, tranquil beach offering stunning views of Hyeongje Island, Hallasan, and Yongmeori Coast. It is characterized by unique volcanic rock formations and marine potholes that are only visible during low tide, and it is well-known as a section of the Jeju Olle Trail Course 10.