Photo: 写真小僧 · CC BY-SA 3.0 · Wikimedia Commons
新甲子温泉 is a hot spring town in Fukushima, Japan. The water leaves the ground at 44–46°C, hot. Officially the water is classed as chloride spring and sulfate spring.
Salty water. The salt leaves a thin film on the skin, so you stay warm well after leaving the bath.
Clear water with a faintly bitter taste. Known for holding heat.
Figures from the town's Japanese Wikipedia article.
37.1755, 140.0292 — open the map
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