Sanraifu Yaizu Kuroshio Onsen

サンライフ焼津 黒潮温泉サンライフやいづ くろしおおんせん

Other
Chubu·Shizuoka

Day Use

Yes

Bathing & Water

OnsenYes

Uses natural hot spring water

焼津港1号井

Yaizuko Well No. 1

Operated by · 東海ガス株式会社

Sampled at wellhead
Chloride
Classification

Sodium-Calcium Chloride spring

A sodium and calcium chloride spring, salty and heat-retaining. With dissolved solids at roughly 16,270 mg/kg it is richly mineralized and leaves a mineral film on the skin — a hypertonic water with a distinctly salty edge at the source. Alkaline in reaction, it is drawn at a free-flowing borehole wellhead, accompanied by natural gas (mainly methane) rising with the water.

pH
8.60
Alkaline
Source temperature
52.4°C
Hot
Tonicity
16.27g/kg
Hypertonic
Flow rate
604L/min
High
Free H₂S
0.01mg/kg
Low
Color
almost colorless and clear
Taste
strongly salty

Analyzed Jan 14, 2021·一般社団法人 長野県薬剤師会 検査課·Cert no. 中No.2-29号

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SM
Sergey M
1 year ago

275. サンライフ焼津 黒潮温泉, Yaizu Public onsen. Costs 560. Listed hours 09:00–20:30, except Mon. They stamp the 60 Onsen of Shizuoka 24/25 booklet. Online photos match. Indoor and outdoor baths with clear water. Not a particularly interesting place — safe to skip.