Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
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Dense, salty water — you float without effort.
SodiumChloruresBrome
Dawa Shan Wenquan — 'Great Wall Mountain Hot Spring' or 'Rising Sun Mountain Hot Spring' — is a geothermal spring in China associated with a mountain whose name carries the resonance of Chinese cultural or political history. China's dramatic mountain landscapes and their thermal springs have been celebrated in classical poetry, ink painting, and philosophy since the earliest dynasties, and a spring associated with a named mountain occupies a particularly distinguished position within this artistic and cultural tradition. The spring provides naturally warm, geothermally mineralised water in a setting enriched by the cultural depth of China's classical mountain landscape heritage.
Insider tip — Dawa Shan Wenquan is a thermal bathing facility in northern Yamaguchi Prefecture near the Seto Inland Sea coast, where the geological transition from Chugoku granite to coastal sediments produces geothermal venting. The sodium-chloride waters carry a faint sea mineral note, distinguishing them from the purely terrestrial springs of the Kyushu volcanic zone. The surrounding area features important Shinto shrines including Hofu Tenmangu, one of Japan's three great Tenmangu shrines dedicated to the deity of learning. Combining cultural sightseeing with an evening soak here makes for a perfectly balanced day in western Japan.