
Photo: 禁樹なずな · CC BY-SA 4.0 · Wikimedia Commons
Usubetsu Onsen is a hot spring town in Hokkaido, Japan. Officially the water is classed as bicarbonate spring. 1 inns take visitors here.
Smooth, slightly slippery water. Often nicknamed bihada-no-yu, the water for beautiful skin.
Figures from the town's Japanese Wikipedia article.
Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.