Seongsan Ilchulbong, or Sunrise Peak, is a tuff cone located on Jeju Island's eastern shores in South Korea. This natural monument stands 182 meters tall and is renowned for its unique geological features, including a wide crater at its summit. Formed by hydrovolcanic eruptions approximately 5,000 years ago, Seongsan Ilchulbong is not only a popular hiking destination but also a UNESCO World Heritage Site, celebrated for its breathtaking views of the sunrise and its rich biodiversity.