Ezu, Higashi Ward, Kumamoto City, Kumamoto
Natural Ezuko Lake Onsen Batten-no-Yu
A good fit if you want a low-cost, late-opening bath with several pools and private family baths in one place. The facility has nine public-bath options and 15 family baths across its buildings, but it has not published a treatment breakdown for each pool. Late-night public transport is limited.
Check before bathing
- Opening hours
- 10:00–02:00 the following day. The main public bath is usually ¥750, or ¥550 when bringing your own shampoo and conditioner. Family baths start around ¥2,420 for 50 minutes; confirm the selected room and current price.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Natural Ezuko Lake Onsen; individual source name not published.
- Spring classification
- Sodium-chloride and bicarbonate spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The main public bath uses natural hot-spring water. The operator lists nine public-bath options, but does not publish dilution, heating, circulation or disinfection details for each pool; not every pool can be assumed to be source-flowing.
Five family baths are in the main building and ten in Manyokan. Free parking for about 180 cars is listed.
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.
