Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
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Dense, salty water — you float without effort.
SodiumChloruresBrome
In Kuroishi, Aomori, Futagoshi Onsen Kyodo Yokujo draws on thermal sodium-chloride water reaching 42°C. An indoor bath, open-air rotenburo and sauna make up this relaxation-focused spot.
Insider tip — A community public bath (kyodo yokujo) at Futagoshi Onsen in Kuroishi, Aomori — the gateway to the Towada-Hachimantai National Park. Kuroishi is also famed for its lacquerware and 'Tsugaru-style tsukesobabath noodles. The communal public bath tradition in Aomori is exceptionally strong.