Maruo, Kirishima Onsenkyo, Kirishima, Kagoshima Prefecture
Ryokojin Sanso
A ¥600 day bath with indoor and outdoor pools using two spring types, plus a Sakurajima view. Private baths cost extra and are first-come, same-day only, so this is less predictable if a private soak is essential.
Check before bathing
- Opening hours
- Public bath: 12:00–15:00; ¥600 for adults and ¥300 for children. Private baths: 11:00–14:00, 50 minutes, ¥1,200 per adult and ¥600 per child. No advance phone reservations; ask at the front desk. Towel set is ¥250.
Spring & water temperature
- Spring-source temperature
- Not published. A 40–45°C figure for the footbath is not used as a spring-source temperature.
- Bathing temperature
- Not published.
- Spring source
- Naturally emerging Maruo springs; the inn does not publish a specific well for each bath.
- Spring classification
- Simple spring and sulfur spring. The indoor bath uses the simple spring; the outdoor bath uses sulfur spring water. Private outdoor baths use one or the other.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The inn describes its springs as natural and source-flowing. Pool-specific water addition, heating, circulation and disinfection details are not published.
Bathing indications
The inn describes its simple spring as drinkable; this is not a medical treatment claim.
Private baths are first-come at the front desk on the day, not bookable by phone. Using a private bath includes public-bath access. The inn's shuttle service is not stated to cover day visitors.
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.
