Right Onsen › Oita › Kokonoe
Kyusuikei Onsen
4.1★ · 108 Google ratings · Kokonoe, Oita · 九酔渓温泉
✓ Day visitors✓ Private bath✓ Kakenagashi✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesStated on the facility's website
Hours
11:00–22:00From the facility's listing
Closed
TuesdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 33 recent reviews we read or on the facility's website
Price
¥500 adultRecent visitor reports indicate a change. The official site still lists ¥300
Private bath
✓ AvailableStated on the facility's website
Time limit
60/90/120 minutes for private family bathsReported by two visitors
How we know this
- Day visitors: Many visitors used the bath as day-use guests for 500 yen between 2022 and 2026. · stated on the facility's website, read 2026-09 · 3 visitors, Dec 2023 – Mar 2026
- Price: Day-use admission was consistently 500 yen across reviews from 2022 to 2026. · 3 visitors, Aug 2025 – Jun 2026
- Private bath: Family baths are rented by time slot (60/90/120 minutes) and reception for them ends in the afternoon. · stated on the facility's website, read 2026-09 · 5 visitors, Jun 2023 – Nov 2025
- Time limit: Private family baths are rented in fixed time blocks of 60, 90, or 120 minutes. · 2 visitors, Dec 2024 – Oct 2025
The bath
What you’ll find
A small day-use hot spring bath (500 yen) in the Kyuju mountains offering sodium bicaronate source-fed indoor baths with sauna and cold plunge, plus hourly private family baths and overnight stays.
Bath setup
Indoor baths
1.0Reported by one visitor
Outdoor bath
✕ NoReported by one visitor
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Private bath
✓ YesStated on the facility's website
Family bath
✓ YesStated on the facility's website
Spring water
Spring type
sodium calcium magnesium bicarbonate springConfirmed by recent visitor reports
Source temperature
50.8°CThe spring source temperature was measured at about 50-51°C.Reported by two visitors
Free-flowing (kakenagashi)
✓ FullFresh spring water flows continuously through the bath
How we know this
- Indoor baths: The communal bath consists of a single small indoor tub. · 1 visitor, Jul 2023
- Outdoor bath: The main communal bath has no outdoor bath, though private family rooms may have their own. · 1 visitor, Dec 2024
- Sauna: The communal bath includes a sauna, reported consistently from 2022 to 2026. · 3 visitors, Apr 2025 – May 2026
- Cold bath: A cold plunge bath is present alongside the sauna in the main bathing area. · 3 visitors, Nov 2022 – May 2026
- Private bath: Family baths are rented by time slot (60/90/120 minutes) and reception for them ends in the afternoon. · stated on the facility's website, read 2026-09 · 5 visitors, Jun 2023 – Nov 2025
- Family bath: stated on the facility's website, read 2026-09
- Spring type: The posted spring analysis names it a sodium-calcium-magnesium bicarbonate spring, sometimes shortened to sodium bicarbonate spring. · 4 visitors, Jun 2025 – Jun 2026
- Source temperature: The spring source temperature was measured at about 50-51°C. · 2 visitors, Dec 2024 – Mar 2026
- Free-flowing (kakenagashi): Multiple visitors describe the water as genuine source-fed flow-through (kakenagashi). · 3 visitors, Jun 2025 – Mar 2026
- Full spring description: sodium calcium magnesium bicarbonate spring (also described simply as sodium bicarbonate spring)
Practical
What you need
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Lockers
Coin not returnedCoin lockers cost 100 yen and the coin is not returned.Confirmed by recent visitor reports
Hair dryer
✓ YesReported by two visitors
Facilities
Rest area
✓ YesReported by one visitor
Lodging
✓ YesConfirmed by recent visitor reports
How we know this
- Soap & shampoo: Shampoo and body soap are provided at the bath and in the family bath rooms. · 3 visitors, Aug 2025 – Mar 2026
- Lockers: Coin lockers cost 100 yen and the coin is not returned. · 3 visitors, Nov 2022 – Jun 2026
- Hair dryer: Hair dryers are available in the family bath rooms. · 2 visitors, Oct 2025 – Nov 2025
- Rest area: A rest room can be rented along with the private baths. · 1 visitor, Feb 2023
- Lodging: The facility also operates as simple overnight lodging with in-room hot spring baths after evening hours. · 3 visitors, Oct 2023 – Oct 2025
Timing
When to go
Quietest Thursday around 11:00. Busiest Thursday around 19:00.
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Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 11:00–22:00 |
| Tuesday | Closed |
| Wednesday | 11:00–22:00 |
| Thursday | 11:00–22:00 |
| Friday | 11:00–22:00 |
| Saturday | 11:00–22:00 |
| Sunday | 11:00–22:00 |
Closed Tuesday.
Getting there
How to get there
Nearest station
Bungo-Nakamura · JR Kyushu5.8 km in a straight line; bus or taxi from the station
Address
Tano, Kokonoe, Kusu District, Oita 879-4911From the facility's listing
Show a driver
九酔渓温泉The name in Japanese, for a taxi or at the counter
Phone
+81973-79-2144Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
kyusuikei.comOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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Questions
Common questions
Can I visit Kyusuikei Onsen without staying overnight?
Many visitors used the bath as day-use guests for 500 yen between 2022 and 2026.
How much does Kyusuikei Onsen cost?
Day-use admission was consistently 500 yen across reviews from 2022 to 2026.
Is the water free-flowing spring water?
Multiple visitors describe the water as genuine source-fed flow-through (kakenagashi).
