Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Matsutake Onsen is an onsen in Osaka, Osaka, Japan, fed by thermal sodium-chloride water at 38°C. The facility offers an indoor bath, an outdoor bath (rotenburo) and a sauna for a classic Japanese bathing break.
Insider tip — 'Matsutake' (the prized autumn matsutake mushroom) Onsen gives a luxurious name to a neighbourhood sento in Osaka. The dark amber artesian waters of the Osaka basin are themselves a kind of culinary treasure — warming, flavourful, and deeply appreciated by locals who visit nightly.