A large gorge located in the Nishi-Chugoku Mountains Quasi-National Park, with a total length of approximately 16 kilometers, where you can enjoy one of the most condensed canyon beauties in western Japan. There are many attractions within the gorge, including ``Kurobuchi'', ``Sarutobi'', ``Nidan Falls'', and ``Sandan Falls''. It is also famous for its autumn leaves (from late October to late November). There are two ferries within Sandankyo Gorge, ``Kurobuchi'' and ``Sarutobi'', and the view from the ferries is different from that from the promenade. *Nidan Falls can only be accessed by riding the Sarutobi ferry. There are also two therapy roads within Sandankyo. Kayaking and SUP are also popular, and there are plenty of activities to enjoy the great outdoors. ◆◆◆Notice①◆◆◆ Regarding the Sandankyo promenade,