Right Onsen › Oita › Kokonoe
Kyusuikei Onsen
4.1★ · 108 Google ratings · Kokonoe, Oita · 九酔渓温泉
✓ Private day-use bath✓ Natural hot-spring water✓ Free-flowing source water✓ Rest area
Before you go
Can you bathe here?
Day visitors
✓ YesMany visitors used the bath as day-use guests for 500 yen between 2022 and 2026.stated on the facility's website · read 2026-09
visitors report Yes · 3 visitors · Dec 2023 – Mar 2026
visitors report Yes · 3 visitors · Dec 2023 – Mar 2026
Hours
11:00–22:00 · closed Tuesdayfrom the facility listing
Price
¥500Day-use admission was consistently 500 yen across reviews from 2022 to 2026.stated by 3 visitors · Aug 2025 – Jun 2026
Private bath
✓ YesFamily baths are rented by time slot (60/90/120 minutes) and reception for them ends in the afternoon.stated by 5 visitors · Jun 2023 – Nov 2025
Time limit
60/90/120 minutes for private family bathsPrivate family baths are rented in fixed time blocks of 60, 90, or 120 minutes.stated by 2 visitors · Dec 2024 – Oct 2025
Tattoos
Not known · call aheadno policy stated in the 33 recent reviews we read or on the facility's website
Watch out
Lockers
Coin lockers cost 100 yen and the coin is not returned.
stated by 3 visitors · Nov 2022 – Jun 2026Source temperature
The spring source temperature was measured at about 50-51°C.
stated by 2 visitors · Dec 2024 – Mar 2026The 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.
Outdoor bath
NoThe main communal bath has no outdoor bath, though private family rooms may have their own.stated by 1 visitor · Dec 2024
Indoor baths
1The communal bath consists of a single small indoor tub.stated by 1 visitor · Jul 2023
Sauna
✓ YesThe communal bath includes a sauna, reported consistently from 2022 to 2026.stated by 3 visitors · Apr 2025 – May 2026
Cold bath
✓ YesA cold plunge bath is present alongside the sauna in the main bathing area.stated by 3 visitors · Nov 2022 – May 2026
Rest area
✓ YesA rest room can be rented along with the private baths.stated by 1 visitor · Feb 2023
Lodging
✓ YesThe facility also operates as simple overnight lodging with in-room hot spring baths after evening hours.stated by 3 visitors · Oct 2023 – Oct 2025
The water
Free-flowing (kakenagashi)
✓ YesMultiple visitors describe the water as genuine source-fed flow-through (kakenagashi).stated by 3 visitors · Jun 2025 – Mar 2026
Spring type
Sodium calcium magnesium bicarbonate spring (also described simply as sodium bicarbonate spring)The posted spring analysis names it a sodium-calcium-magnesium bicarbonate spring, sometimes shortened to sodium bicarbonate spring.stated by 4 visitors · Jun 2025 – Jun 2026
Source temperature
50.8°CThe spring source temperature was measured at about 50-51°C.stated by 2 visitors · Dec 2024 – Mar 2026
Practical
What to bring
Soap & shampoo
✓ ProvidedShampoo and body soap are provided at the bath and in the family bath rooms.stated by 3 visitors · Aug 2025 – Mar 2026
Lockers
Coin not returnedCoin lockers cost 100 yen and the coin is not returned.stated by 3 visitors · Nov 2022 – Jun 2026
Hair dryer
✓ YesHair dryers are available in the family bath rooms.stated by 2 visitors · Oct 2025 – Nov 2025
Timing
When to go
Quietest Thursday around 11:00; busiest Thursday around 19:00. Measured by Google over past visits, not a forecast.
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Quiet Busy
| 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.
Practical
Plan your visit
📍 Tano, Kokonoe, Kusu District, Oita 879-4911
🚃 Bungo-Nakamura station, 5.8 km
📞 +81973-79-2144
📋 Show at the counter: 九酔渓温泉
Nearby
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