along the western steep ridge, on the top, there is a wide crater, which looks like the ocean has been moved to Baengnokdam at the top of Mt. Halla. Sungsan Ilchul peak, which is now at an elevation of 182m, is a rare volcanic edifice that was exploded under water among other craters. Due to the explosion caused when lava was mixed with water, lava was broken down into fine volcanic ash and was piled up around the circumference of the crater like a shape of cone. Originally, it was a volcanic island, however, a pile of sand and gravel connected the space between the island and the land side of Shinyang beach. At the top of Ilchul peak, there is a crater with a diameter of 600m,an elevation of 90m as the height of ground floor and the area of approximately 80,000pyeong. This place was used as a farm, but now it is a field of tall wild grass where Woodo can be seen with human eyes.
Even a long time ago, the sunrise view from the top of Sungsan Ilchul peak has been the best among ten places with good sceneries in Jeju. The sunrise above a horizontal line beyond the surging blue ocean dyes the whole ocean, catches people’s heart and makes them admire it. It was designated as a regional monument until July 19, 2000 when it was designated as a natural monument. It is now a treasure of Jeju, which attracts more and more tourists and gives more inspiration than the