Kusatsu Now Resort Big Bath

Separate Big Bath at Kusatsu Now Resort Hotel with an operator-confirmed 100°C sauna. Non-guests may walk in via the hotel front desk, with day-bathing sessions morning and afternoon. The sauna itself operates 14:00–22:00, so morning visits are for bathing only.

Day bath 06:00–10:00 and 14:00–22:00; sauna 14:00–22:00; final afternoon entry 21:00