Mount Oni-dake, standing at 315 meters, is a volcano known for its gentle, rounded shape, despite its imposing name. It has long been beloved by the islanders. Hiking along the crater rim offers breathtaking views of Fukue city and the beautiful ocean below. Moreover, the mountain's lush greenery changes with the seasons, delighting visitors throughout the year. 【Recommended Activities】 ・Enjoy panoramic views from the observatory: 　The observatory near the astronomical observatory offers sweeping vistas of Fukue city and the Goto Islands. The sunset view is particularly stunning. ・Hiking: 　Well-maintained trails lead to the summit, making it easy for anyone to enjoy a hike. ・Picnic: 　Spread out a blanket on the expansive lawn and enjoy a picnic. ・Stargazing: 　Thanks to minimal light pollution, the night sky is filled with countless stars. ・Seasonal flowers: 　Enjoy a variety of flowers throughout the year, such as canola flowers in spring, giant lilies in summer,