猿倉温泉 is a hot spring town in Aomori, Japan. The water leaves the ground at 80°C, hot enough that it has to be cooled before anyone can get in. Officially the water is classed as sulfate spring and sulfur spring. 1 inns take visitors here.
Clear water with a faintly bitter taste. Known for holding heat.
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.
40.6272, 140.9094 — open the map
Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.