Nagayu Onsen, Taketa, Oita
Nagayu Rekishi Onsen Denshokan Bansho-no-Yu
A source-flowing bicarbonate-spring bath with a broad indoor temperature range, suited to visitors who want to move between warmer and cooler pools. The tattoo policy is not confirmed on current facility pages.
Check before bathing
- Opening hours
- 10:00–20:30; reception closes at 20:00.
- Tattoo policy
- No clear tattoo admission rule was found on the current main facility pages checked September 8, 2026. Confirm directly before visiting.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Indoor pools range from 30°C to 41°C; no fixed outdoor-bath temperature is published.
- Spring source
- Bansho-no-Yu's own spring; the source temperature is not published.
- Spring classification
- Sodium-magnesium bicarbonate spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The operator describes the baths as 100% source-flowing, without heating or dilution.
The 30–41°C figures are bath temperatures, not source temperatures. The recommended hot-cold bathing routine is optional and should not be treated as suitable for everyone.
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.
