Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Noda Onsen Honoka is located in Noda, Chiba prefecture. Its sodium-chloride water surfaces at 41°C with a pH of 7.3, and visitors can use an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Honoka, meaning faint and gentle, promises a quietly restorative soak in the southern Noda neighbourhoods straddling the Edo River. The black kuro-yu spring water characteristic of the outer Tokyo basin contains centuries of marine sediment minerals that soften the skin remarkably.