Historic Mountain Onsen

Nestled in the Hakkōda Mountains of Aomori Prefecture, Sukayu Onsen is a historic hot spring retreat renowned for its "Sen-nin-buro" or "Bath of a Thousand Bathers." This expansive, mixed-gender bath, constructed entirely from Japanese cypress, offers a unique communal bathing experience in a rustic setting. The onsen's highly acidic waters are believed to have therapeutic properties, attracting visitors seeking relaxation and healing. Surrounded by natural beauty, including nearby hiking trails and ski areas, Sukayu Onsen provides a tranquil escape throughout the year.