A park facing the Sea of Japan on the West Hokkaido side. Composed of places including Mount Shokanbetsu, the Uryunuma Marshland, the Ofu area, Teuri Island, and Yagishiri Island. Viewing the grandeur of the Sea of Japan from the peak of Mount Shokanbetsu is exceptional. In addition, the 850 meter altitude Uryunuma Marshland is a high altitude marshland with 150 varieties of flowers that bloom. Teuri Island is famous for the black-tailed gull.