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Niseko Konbu Onsen is a hot spring town in Hokkaido, Japan. The water leaves the ground at 39–58°C, hot. Officially the water is classed as chloride spring and bicarbonate spring. 5 inns take visitors here.
Salty water. The salt leaves a thin film on the skin, so you stay warm well after leaving the bath.
Smooth, slightly slippery water. Often nicknamed bihada-no-yu, the water for beautiful skin.
Figures from the town's Japanese Wikipedia article.
42.8398, 140.6224 — open the map
Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.