マキノ白谷温泉 is a hot spring town in Shiga, Japan. The water leaves the ground at 21.4°C, cool enough that the baths here are usually reheated. It measures pH 8.3 — mildly alkaline, the slippery kind. Officially the water is classed as radioactive spring. 3 inns take visitors here.
Contains trace radon that leaves the water quickly. Also called radium or radon springs.
Figures from the town's Japanese Wikipedia article.
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