Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Tomakomai Onsen Honoka, in the port city of Tomakomai, Hokkaido, draws sodium-chloride water at 41°C with a pH of 7.3. It features an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Tomakomai Onsen Honoka is a modern day-spa onsen in the port city of Tomakomai on Hokkaido's Pacific coast. The sodium-chloride waters well up from deep urban strata, leaving skin silky and warm. Multiple indoor baths and rest lounges make it ideal for a leisurely half-day visit. Arrive on weekday mornings to enjoy the full facility in near-solitude.