The earthworm is a cliff protruding from the land in Mulan City, Hokkaido, which belongs to the excellent sea view. Mulan City is located on the route from Dengbi to Lake Toya. You can see it when you have time. From the earth to the Pacific, you can see the southeast side of the very wide sea, even you can see the arc of the earth without going out to sea, and it is also an excellent place to watch the sunrise. Pay attention to pick a good weather.