
Photo: Opqr · CC BY-SA 4.0 · Wikimedia Commons
今庄365温泉 is a hot spring town in Fukui, Japan. The water leaves the ground at 29.1°C, cool enough that the baths here are usually reheated. It measures pH 9.6 — strongly alkaline. Officially the water is classed as sulfur spring. Its sources put out around 217 litres a minute. 1 inns take visitors here with room for about 15 guests.
The classic rotten-egg smell and milky white water. It can tarnish silver jewellery, so take it off.
Figures from the town's Japanese Wikipedia article.
35.7229, 136.1488 — open the map
Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.