小赤沢温泉
Nagano
Chloride 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.
Iron spring 含鉄泉
Turns reddish brown as the iron meets air. The water is clear at the source.
Where it is
36.8661, 138.6380 — open the map
Read more
Japanese Wikipedia
Other towns in Nagano