Oku Shiobara Arayu Onsen Naka No Yu
奥塩原新湯温泉 中の湯おくしおばらあらゆおんせん なかのゆ
Tiny unmanned communal bath with milky sulfur water in Arayu
Day Use
YesOccasional unscheduled cleaning days (temporary closure).
Unstaffed. Drop payment into the fee box at the entrance. Free for overnight guests.
Bathing & Water
Uses natural hot spring water
Enclosed indoor bathing area
Sauna room of any kind
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
About
Naka no Yu (中の湯) is one of three shared baths in the Arayu (新湯) area of Oku-Shiobara. The bath itself is a single indoor tub, no washing area, just a changing basket and a coin box at the entrance. The spring source sits right beside the building, and the milky white sulfur water runs direct from it. Nobody is on duty; drop in your coins and soak.
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Last updated September 19, 2026