
Photo: Gohachiyasu1214 · CC BY-SA 4.0 · Wikimedia Commons
鷲羽山吹上温泉 is a hot spring town in Okayama, Japan. The water leaves the ground at 20.3°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. 1 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.
34.4440, 133.7995 — open the map
Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.