Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Takahama Onsen in Takahama town, Fukui Prefecture, looks out across Wakasa Bay from a coastal position between the nuclear power facilities that have made this stretch of coastline known as Japan's Nuclear Alley and the fishing villages that predate the modern energy industry by centuries. The chloride-rich spring water provides potent warming baths especially valued during the cold, grey winters of this Sea of Japan coast, where the water's mineral density is believed to maintain body heat and support the immune system against the damp seasonal chills. The nearby Takahama beach, with its exceptional white sand supplied by granite erosion from the surrounding mountains, is among Fukui's most visited coastal attractions, drawing summer visitors who pair beach leisure with thermal bathing.
Insider tip — Takahama Onsen occupies the southern tip of Fukui Prefecture on Wakasa Bay, a coastline of pine-clad capes and pale sandy beaches that inspired the folk song Wakasa no Umi. The bicarbonate spring at 40°C is housed in a small bathhouse where the sound of waves provides a natural soundtrack to bathing. The area is best visited in late spring when the clifftop azaleas bloom above a sea that glitters with exceptional clarity.