Nakahata, Nakagawa, Fukuoka Prefecture
Nakagawa Seiryu Source-Fed Outdoor Baths
A half-day outing outside central Fukuoka, with forest surroundings, natural spring water and bookable family baths. The location and Thursday closure take more planning than a city sento; tattoos are not allowed.
Check before bathing
- Opening hours
- 10:00–22:00; last admission 21:00. Closed Thursdays; seasonal summer extensions are announced separately. Adults ¥1,400 on weekdays, ¥1,600 on weekends and public holidays, and ¥1,900 in high season. Family baths are 50 minutes and cost ¥3,500, ¥3,900 or ¥4,200 by the same day category.
- Tattoo policy
- Tattoos, including fashion tattoos and tattoo stickers, are not permitted in the baths.
Spring & water temperature
- Spring-source temperature
- Well No. 1: 27.9°C, from the 2023-12-12 on-site test and 2024 analysis. A current exact figure for Well No. 2 is unconfirmed.
- Bathing temperature
- A fixed temperature is not published on the current official main page; seasonal cold-bath events are not year-round settings.
- Spring source
- Nakagawa Seiryu Outdoor Bath Wells No. 1 and No. 2.
- Spring classification
- The operator lists a simple spring and a simple weakly radioactive cold mineral spring. The 2024 analysis confirms Well No. 1 as a simple, low-salinity, neutral, low-temperature spring.
- pH
- Well No. 1: 6.64 on site and 6.81 in the laboratory. A current exact figure for Well No. 2 is unconfirmed.
- Flow rate
- Well No. 1: 188 L/min by powered pumping. A current exact figure for Well No. 2 is unconfirmed.
- Water handling
- The current main page does not fully publish water-addition, heating or circulation details for each pool; older utilization documents are not treated as proof of 2026 operation.
Bathing indications
The operator lists chronic muscle or joint pain and stiffness, sensitivity to cold, peripheral circulation issues, fatigue recovery and general health maintenance among bathing indications; these are not individual medical claims.
Children under three may use only the family baths. Guests aged 12 and over pay a ¥70 bathing tax.
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.
