Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Tarui Onsen is an onsen (Japanese hot spring bath) located in Sennan, Osaka. The water emerges at around 38°C. The site includes an indoor bath, an open-air bath (rotenburo) and a sauna. A quiet wellness break away from the bustle.
Insider tip — A coastal onsen in Sennan, southern Osaka, close to Kansai International Airport. Ideal for a final soak before a late-night flight — or a first stop after arriving. The coastal brine-type waters of this area are known for their warming, skin-softening properties.