It is a V-shaped canyon running approximately 10 minutes by car from JR Naruko Onsen Station, running parallel to National Route 47. It is a valley established by the erosion of the Otani River, and a cliff of about 100 m high continues for 2.6 km. It is said that the beauty of autumn leaves interwoven in the interspersed with strange rocks and green of pine is the first among numerous sights. During the autumn leaves, a route bus runs from JR Naruko Onsen Station to Nakayampei Onsen Station.
季节情报[Average year data]The leaves begin to color: mid October
最佳观赏期late October ～ early November