Set in Nozawa Onsen Village, Nagano Prefecture, it is one of Japan's most challenging trail courses. With a total length of 65km, an altitude difference of 4,100m, and a 17-hour limit, this trail passes through charming spots such as the hot spring town, lakesides, waterfalls, flower fields, and power spots. Each year, luxurious guest runners participate, drawing attention. Enjoying 13 outdoor hot springs is also appealing. When staying at affiliated accommodations, you can use accommodation subsidy vouchers.