Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Kikugawa Onsen Shizuoka is a natural hot spring facility in Kikugawa, a small but prosperous agricultural city in southern Shizuoka Prefecture, Japan, situated in a productive farming plain known for its high-quality green tea, strawberries, and the Kikugawa River flowing to Suruga Bay. The chloride-sodium spring waters here, emerging at comfortably warm temperatures, are valued in Japanese wellness tradition for their circulation-improving properties and the characteristic skin-softening effect that saline thermal waters provide. Set in the gentle countryside of southeastern Shizuoka, Kikugawa Onsen offers a genuinely local and unpretentious thermal bathing experience that reflects the authentic communal hot spring culture of this fertile coastal agricultural region.
Insider tip — Kikugawa Onsen sits in the low rolling tea-plantation hills of central Shizuoka, where sodium-chloride waters are extracted from deep sedimentary layers beneath the green-tea country. The town is modest but the thermal facilities are clean and well-maintained, drawing local tea farmers in the evenings. The combination of a hot sodium-chloride soak and a cup of first-flush Shizuoka gyokuro makes for a quintessentially regional experience.