Shirakabe no Yu
- Location
- Kisarazu, Chiba Prefecture, Japan
- Water type
- sodium chloride
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Shirakabe no Yu—the Waters of the White Wall—takes its evocative name from the characteristic white mineral deposits that form on surfaces where this simple alkaline spring emerges, a visual marker of the water's rich bicarbonate and silica content found in many of Japan's most celebrated simple springs. In Japan, such visually distinctive springs often carry descriptive names linking the water's appearance to its setting, and the white-walled image conjures both the clean aesthetic of traditional Japanese architecture and the crystalline purity of mineral water. The gentle, clear waters invite bathers to enjoy the restorative simplicity that defines Japan's simple-spring tradition.