塩ノ沢温泉
Gunma
Chloride springBicarbonate springIron spring
The water here
Chloride spring 塩化物泉
Salty water. The salt leaves a thin film on the skin, so you stay warm well after leaving the bath.
Bicarbonate spring 炭酸水素塩泉
Smooth, slightly slippery water. Often nicknamed bihada-no-yu, the water for beautiful skin.
Iron spring 含鉄泉
Turns reddish brown as the iron meets air. The water is clear at the source.
Read more
Japanese Wikipedia
Other towns in Gunma