真湯1号・真湯2号・真湯3号の混合泉
Shinyu Springs No. 1-3 (blended source)Operated by · 財団法人 野沢会
Mixed source
黄
Sulfur
- Color
- faintly milky white and turbid
- Taste
- not recorded
- Odor
- faint hydrogen sulfide
Sodium Sulfate-Chloride spring
pH 8.5AlkalineHot source · 48°CSulfur-richHigh silica
Composition fingerprint0.6 g/kg dissolved · Hypotonic
Na⁺78
Ca²⁺20
SO₄²⁻55
Cl⁻27
◀ CationsAnions ▶
- Sodium Na⁺
- salt's cation — pairs with chloride to make the water salty.
- Sulfate SO₄²⁻
- "gypsum / Glauber's salt" — vessels and wound healing.
Known good for
- Skin conditionsatopic skin, eczema
- Circulationtired legs
- Aches & jointsstiff shoulders
- Sensitive-skin cautionbroken or dry skin
A blended source combining the Shinyu No. 1, No. 2 and No. 3 wells in the village of Nozawa Onsen, sampled at the inlet of the Shinyu community bathhouse rather than at the wellhead. The certificate classifies it as an alkaline simple sulfur spring: the water runs faintly milky and carries the soft rotten-egg note of hydrogen sulfide. Mineralization is light, so nothing about it bites — but the alkalinity delivers the slippery feel, and a generous helping of metasilicic acid backs it up, placing this squarely in Japan's beauty-water family.
Sampled at community bath·Analyzed Oct 13, 2018·環境未来株式会社 総合検査センター