
Photo: 日:Jnn · CC BY 2.1 jp · Wikimedia Commons
Yunogō Onsen is a hot spring town in Okayama, Japan. The water leaves the ground at 40°C, comfortably warm. Officially the water is classed as chloride spring.
Salty water. The salt leaves a thin film on the skin, so you stay warm well after leaving the bath.
Figures from the town's Japanese Wikipedia article.
34.9931, 134.1350 — open the map
English Wikipedia · Japanese Wikipedia
Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.