Tokushima Station area, Tokushima City, Tokushima
Natural Onsen Bizan-no-Yu
The most convenient natural-spring option for a quick soak near Tokushima Station, located on the 11th floor of Hotel Sunroute Tokushima. Its appeal is location rather than a wide range of baths, and monthly maintenance can shorten access hours.
Check before bathing
- Opening hours
- Regular day-use hours are 07:00–20:00; adult admission ¥880. Towel and bath-towel rental are ¥120 each. Scheduled monthly maintenance periods may restrict access to 10:00–17:00; check the current calendar before going.
Spring & water temperature
- Spring-source temperature
- 20.3°C.
- Bathing temperature
- Not published.
- Spring source
- Bizan-no-Yu source.
- Spring classification
- Sodium-calcium chloride cold mineral spring; high salinity and neutral pH.
- pH
- Not published.
- Flow rate
- 280 L/min.
- Water handling
- The operator says the bath uses abundant source water. Pool-specific dilution, heating, circulation, disinfection and flow-through details are not published, so it is not described here as source-flowing.
20.3°C is the source temperature, not the bathing temperature.
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.
