Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Mikawa Onsen, hosted at the Furusato Koryu Center, is set in Nagomi, Kumamoto Prefecture. The thermal, sodium-chloride water emerges at 39°C, pH 7.3. An indoor bath, an outdoor rotenburo bath and a sauna round out the facility.
Insider tip — 'Furusato Koryu Center; Mikawa Onsen' in Nagomi-machi (和水町 — harmonious water town), Kumamoto. Nagomi hosts Daijin Shrine, dedicated to a deity of water harmony, and is known for ancient Sue pottery traditions dating to the Kofun period. 'Furusato' (hometown) Koryu (exchange) Center captures the community spirit of this rural Kumamoto town, where the thermal spring serves as the anchor for both local residents and visitors exploring the ancient ceramics sites of the Kikuchi River valley.