AEON Mall Kusatsu, Kusatsu, Shiga Prefecture
Kusatsu Yumoto Suisyun
A convenient pick around Kusatsu, Seta and Minami-Kusatsu for a late bath with saunas and several pools. For Lake Biwa scenery, look instead at Moriyama Suisyun or Agaryanse.
Facility photos
Check before bathing
- Opening hours
- 09:00–01:00; last admission 24:00.
- Tattoo policy
- Not permitted. The facility's current rules refuse entry to guests with tattoos or tattoo stickers.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Omi Kusatsu Bijin-no-Yu.
- Spring classification
- Sodium bicarbonate-chloride spring (low-tonicity, weakly alkaline, cool spring).
- pH
- Not published.
- Flow rate
- 172 L/min.
- Water handling
- Natural spring water is used in the outdoor rock bath. The indoor carbonated bath is artificially carbonated; the milky bath and jet baths are separate features and are not assumed to use the same spring. Full water-treatment conditions are not published bath by bath.
Bathing indications
The facility lists spring-specific indications including cuts and burns, as well as general hot-spring indications such as neuralgia. These are not a medical treatment guarantee.
Basic admission does not include towels. The heated-stone area costs extra. The special adult bathing rate of ¥1,300 applied only from 20 to 23 September 2026 and has ended. Tattoos and tattoo stickers are not allowed. Free shuttle eligibility is subject to the facility's membership or app rules; new visitors must follow its current sign-up conditions.
How to read a bath profile
Spring-source temperature and actual bathing temperature are kept separate. Each score is shown independently for comparison rather than collapsed into one overall score.
