Located in Quding, disciple of Kawabata Prefecture, Hokkaido, Mozhou Lake is obviously a natural lake formed by a volcanic crater. Mozhou Lake is famous for its fog. It seldom sees the scenery when it is sunny. In fact, in summer, there are nine fogs on ten days, but in late autumn or winter, sunny days are more common. We can see the true face of Mozhou Lake on sunny days.