三香温泉
Hokkaido
Simple springSulfur spring
The water here
Simple spring 単純温泉
Mild and low in dissolved minerals. Usually clear and gentle on the skin, which is why these baths are often recommended for first-timers.
Sulfur spring 硫黄泉
The classic rotten-egg smell and milky white water. It can tarnish silver jewellery, so take it off.
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Japanese Wikipedia
Other towns in Hokkaido