上原温泉 (Kamiharu Onsen) (family bath)
|Open:||6:00 till 12:00 and 14:00 till 22:00|
Kamiharu Onsen is one of the few 100 yen onsen -- if not the only -- that has a family bath. At 500 yen it's quite cheap. The bath is not big, but it was big enough to enjoy with the three of us.