Oze National Park, which spans four prefectures: Tochigi, Gunma, Fukushima, and Niigata. If you are going to Oze in Mizubashou for the first time, we recommend a walk from Hatomachi Pass to Ryūgū. It is a wooden path of about 3.3km that goes through a forest of beech forest, with a visitor center and a national dormitory at the western end. There are many hikers, and there are also mountain huts, rest areas, toilets, and benches in the middle of the course. Even for beginners, it is safe, but do not forget to take measures to protect the cold and rain in preparation for the sudden change of weather only in mountainous areas. From the beginning of November to the end of April, it is impossible to enter the mountain due to closure on the road in winter.