Uchinomaki Onsen, Aso, Kumamoto
Takara-yu
A low-cost town bath with indoor and outdoor bathing, suitable for a straightforward soak in the Uchinomaki hot-spring district. Current listings disagree on opening hours, and technical spring details come from a dated secondary transcription rather than a current operator analysis. Confirm the day's schedule before travelling.
Check before bathing
- Opening hours
- The inn association lists 10:00–21:30; Aso City's page still lists 11:00–22:00. Adult admission ¥400 on both listings. Irregular closing days; call to confirm.
Spring & water temperature
- Spring-source temperature
- 40.7°C in the dated 2024 transcription; not a current first-party figure.
- Bathing temperature
- Not published.
- Spring source
- Not published.
- Spring classification
- Sodium-magnesium-calcium sulfate spring, transcribed from a dated 2024 on-site analysis display; the current first-party page does not publish a complete analysis.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- A 2024 secondary transcription reports no recirculation, dilution or disinfection. Current 2026 first-party material does not publish equivalent technical details, so this is not a current operator guarantee.
The current association and city pages disagree on opening hours. Confirm same-day access; no fixed bath temperature is published.
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.
