Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Togane, an inland agricultural city in central Chiba Prefecture, sits at the edge of the Kujukurihama plain — one of Japan's longest sand beaches — where the Pacific breeze creates an exceptionally mild winter climate ideal for cultivation of strawberries, peanuts, and chrysanthemums prized in Tokyo's flower markets. Togane Onsen Chiba draws on chloride-rich thermal waters from the coastal geological formations of the Kujukurihama sand sheet, offering soothing baths with the mineral content of the shallow marine geology underlying the Boso Peninsula's eastern agricultural district. The long white sand beaches of Kujukurihama stretching 60 kilometres, Togane's famous strawberry farms offering U-pick experiences through late spring, and easy rail access to Choshi's celebrated Pacific fishing port make this a pleasant coastal-adjacent thermal destination in Chiba Prefecture.
Insider tip — Togane lies in the Chiba interior where marine sedimentary geology yields highly saline sodium-chloride thermal water at 40°C drawn from ancient Pliocene sea-bed deposits. The town is surrounded by the largest concentration of golf courses in Japan, and its sento serves as a popular post-round recovery stop for visiting golfers from Tokyo. The oceanic mineral content gives the water a notably warming and skin-softening quality. The Sotoboso Peninsula scenery just 30 minutes east makes Togane a natural base for combining thermal bathing with coastal exploration.