Shintomi, Koyu District, Miyazaki Prefecture
Sun Lupinus Shintomi Onsen Health Center
A strong value if you want an iodine-bearing saline spring, source flow, sauna and an easy walk from the station. The facility reopened on August 1, 2026 after repairs.
Facility photos


Check before bathing
- Opening hours
- 10:00–22:00; last admission 21:30. Adults ¥500; elementary and junior-high students ¥300; preschool children free. The facility's September 2026 closure date was September 24. The footbath remains suspended.
- Access
- About a 7-minute walk from JR Hyuga-Shintomi Station.
- Tattoo policy
- The current facility and town pages reviewed do not state a tattoo policy. Check before visiting.
Spring & water temperature
- Spring-source temperature
- 54.0°C in the facility's February 2, 2023 analysis; not the bath temperature.
- Bathing temperature
- Not published.
- Spring source
- Sun Lupinus Shintomi Onsen spring.
- Spring classification
- Iodine-bearing sodium-calcium chloride spring; high-salinity, neutral and high-temperature.
- pH
- 7.4 in the February 2, 2023 analysis.
- Flow rate
- A numerical yield is not published; the analysis identifies mechanical pumping.
- Water handling
- The facility describes the spring as source-flowing. Its 2026 closure was caused by failures in the spring pump, electrical panel and shower-heating equipment; operations resumed August 1 after repairs.
- Analysis date
- 2023-02-02
Bathing indications
The facility lists general and spring-specific bathing indications. These are not a guarantee of treatment.
The footbath is currently suspended. The listed September 24, 2026 closure date has passed; check the current calendar before travelling.
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.
