The leading rock is in the center of Jeju, and the seaside of Longtan Cave is actually a piece of volcanic lava like a dragon. It is not far from the Jeju Airport, and it is not bad to stand on the beach. In the field, the leading rock with a height of 10 meters and a length of 30 meters is really like a dragon that wants to fly. This is the volcanic lava cooled after the eruption of Jeju Island 2 million years ago. The leading rock is also Jeju Island. The symbol of tourism.