Yumoto Shiobara, Nasushiobara, Tochigi Prefecture
Rating
Cost per person
¥500
Oku-Shiobara Aranyu is a secluded hot spring area nestled in the mountains of Nasushiobara, Tochigi Prefecture, accessible via the Nikko-Shiobara Maple Line. Known for its acidic sulfur springs, particularly the milky, therapeutic waters of Shintoyu, it offers a unique bathing experience distinct from the alkaline springs in the lower Shiobara area. Visitors can explore three communal bathhouses, including the popular Konyoku (mixed-gender) Tera-no-yu, and enjoy the strong sulfurous aroma and scenic views of the volcanic landscape. The best time to visit is during the day to fully appreciate the natural surroundings.