Seonginbong Primeval Forest [National Geopark] (성인봉 원시림 (울릉도, 독도 국가지질공원))

The foot of Seonginbong Peak is covered with thick primeval forests designated as Natural Monument No. 189. This forest is Ulleungdo Island's only flat area with a diameter of approximately 2 kilometers. It is a caldera formed by volcanic activities and developed over time. The area has many rare plants only found in Ulleungdo Island.