Photo: 京都東 · CC BY 4.0 · Wikimedia Commons

稲荷温泉

Gifu

稲荷温泉 is a hot spring town in Gifu, Japan. The water leaves the ground at 20°C, cool enough that the baths here are usually reheated. It measures pH 7.5 — close to neutral. Officially the water is classed as radioactive spring.

Radioactive spring

The water here

Radioactive spring 放射能泉

Contains trace radon that leaves the water quickly. Also called radium or radon springs.

The numbers

Water temperature: 20°C
pH: 7.5 (close to neutral)
Address in Japanese: 岐阜県瑞浪市稲津町小里

Figures from the town's Japanese Wikipedia article.

Japanese Wikipedia

Other towns in Gifu

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Nigorigo OnsenGifu · 濁河温泉

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Chloride springBicarbonate spring

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Shinhotaka OnsenGifu · 新穂高温泉

Chloride springBicarbonate springSulfur spring

Shin-Hirayu OnsenGifu · 新平湯温泉