Right Onsen › Oita › Taketa
SPA Ku
5.0★ · 5 Google ratings · Taketa, Oita · SPA Ku 空
✓ Natural hot-spring water✓ Free-flowing source water✓ Rest area
Before you go
Can you bathe here?
Day visitors
✓ YesListed as a day-use onsen: a bath for day visitors by definition. No visitor review states otherwise.from the facility's listing category
Hours
11:00–16:00 · closed Wednesdayfrom the facility listing
Price
¥3,000A one-hour private bath session costs about 2500-3000 yen in 2026, versus 3000 yen (4500 yen with sauna) in 2023.stated by 2 visitors · Aug 2023 – Jul 2026
Private bath
✓ YesVisitors book a private family bath room with an indoor and outdoor tub, checking in at a reception building before moving to the bath.stated by 3 visitors · Jun 2025 – Jul 2026
Time limit
1 hourPrivate bath bookings are sold in one-hour blocks.stated by 2 visitors · Jan 2026 – Jul 2026
Tattoos
Not known · call aheadno policy stated in the 6 recent reviews we read or on the facility's website
Watch out
Sauna
Some private rooms include a steam sauna as an option, but visitors in 2026 reported it broken or unusable and it costs extra (4500 yen vs 3000 yen in 2023).
stated by 3 visitors · Jan 2026 – Jul 2026Time limit
Private bath bookings are sold in one-hour blocks.
stated by 2 visitors · Jan 2026 – Jul 2026The bath
What you’ll find
SPA Ku is a set of private, reservation-based family bath rooms in the Kuju mountains near Nagayu, each with its own indoor and outdoor tub and mountain views, though the steam sauna option is sometimes broken or unavailable.
Outdoor bath
✓ YesEvery private room includes its own outdoor bath with mountain views.stated by 3 visitors · Aug 2023 – Jun 2026
Sauna
✓ YesSome private rooms include a steam sauna as an option, but visitors in 2026 reported it broken or unusable and it costs extra (4500 yen vs 3000 yen in 2023).stated by 3 visitors · Jan 2026 – Jul 2026
Cold bath
✓ YesOne reviewer noted that some rooms are equipped with a cold plunge bath.stated by 1 visitor · Jan 2026
View
MountainBath rooms face the Kuju mountain range, visible from both indoor and outdoor tubs.stated by 3 visitors · Aug 2023 – Jun 2026
Rest area
✓ YesChanging rooms include a sofa or seating area for relaxing before and after bathing.stated by 2 visitors · Aug 2023 – Jun 2025
Restaurant
✓ YesAn on-site cafe is available next to the bath facility, sometimes offering a discount on bath fees for cafe purchases.stated by 2 visitors · Aug 2023 – Jan 2026
The water
Spring type
Sodium bicarbonate (Nagayu-type, high metasilicic acid)The spring is described as a bicarbonate-type spring typical of the Nagayu area with high metasilicic acid content.stated by 1 visitor · Jan 2026
Timing
When to go
| Day | Hours |
|---|---|
| Monday | 11:00–16:00 |
| Tuesday | 11:00–16:00 |
| Wednesday | Closed |
| Thursday | 11:00–16:00 |
| Friday | 11:00–16:00 |
| Saturday | 11:00–16:00 |
| Sunday | 11:00–16:00 |
Closed Wednesday.
Practical
Plan your visit
📍 7759 Tonoue, Naoirimachi Nagayu, Taketa, Oita 878-0402
🚃 Asaji station, 8.2 km
📞 +81974-75-3737
📋 Show at the counter: SPA Ku 空
Nearby
Other baths close by
Taketa · 4.1★
Taketa · 4.2★
Contribute
Been here recently?
Help other visitors with fresh information about SPA Ku. Everything below is optional except the last box.
