The general term for the three waterfalls, Otaki, Ontaki, and Tengu Falls, which flow down into the Mitaki River, at the eastern end of the Ōhira-san, a tributary of the Koshibegawa [Oppagawa]. It is a famous winner who was also selected for the 100 cool spots in Saitama Prefecture, which has been known for its Shugen Dojo since ancient times. You can enjoy a variety of scenery throughout the year: fresh green in spring, clear in summer, autumn leaves in autumn, and snowy scenery in winter. There is a promenade of about 30 minutes a lap around three waterfalls. The key point of the hiking course.