Right Onsen › Oita › Nakatsu
Iwatoyu & cafe
4.3★ · 98 Google ratings · Nakatsu, Oita · 深耶馬温泉 岩戸湯
✓ Day visitors✓ Kakenagashi
Before you go
Can you bathe here?
Day visitors
✓ YesConfirmed by recent visitor reports
Hours
10:00–20:00From the facility's listing
Closed
Tuesday, WednesdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 36 recent reviews we read
Price
¥400 adultConfirmed by recent visitor reports
Time limit
1 hourReported by two visitors
Bathing
Men and women separateReported by two visitors
How we know this
- Day visitors: Visitors pay an entrance fee and bathe without lodging, confirming day-use is offered. · 3 visitors, Mar 2024 – Mar 2026
- Price: Admission was 300 yen in 2022-2023 reviews but had risen to 400 yen by 2024-2026. · 3 visitors, Mar 2024 – Mar 2026
- Time limit: A one-hour bathing time limit is posted, especially when the bath gets busy. · 2 visitors, Jun 2024 – Mar 2026
- Bathing arrangement: Men's and women's baths are separate and are occasionally swapped between visits. · 2 visitors, Oct 2022 – Mar 2024
The bath
What you’ll find
Iwatoyu is a small day-use onsen bathhouse with an attached dessert cafe in Yaba-kei, known for warm, brown moor-spring (mogal) water; bring your own shampoo and towel.
Bath setup
Indoor baths
1.0Reported by one visitor
View
MountainReported by two visitors
Spring water
Spring type
moor springConfirmed by recent visitor reports
Free-flowing (kakenagashi)
✓ FullFresh spring water flows continuously through the bath
How we know this
- Indoor baths: The bathhouse has a single small indoor tub. · 1 visitor, Jul 2024
- View: Large windows look out over rice fields and surrounding mountains. · 2 visitors, Oct 2022 – Dec 2024
- Spring type: The spring is repeatedly identified as a brownish, slightly viscous moor-type (mogal) mineral spring. · 3 visitors, Oct 2022 – Mar 2026
- Free-flowing (kakenagashi): Multiple visitors describe the bath as fully source-fed kakenagashi with fresh spring water constantly flowing in. · 3 visitors, Dec 2022 – Jul 2024
Practical
What you need
Hair dryer
✕ NoNo hair dryer is provided at the bathhouse.Confirmed by recent visitor reports
Parking
✓ Free on siteFrom the facility's listing
Facilities
Rest area
✓ YesReported by one visitor
Restaurant
✓ YesAn attached cafe serves cakes, parfaits and drinks after bathing, though it is sometimes closed unexpectedly.Reported by two visitors
How we know this
- Hair dryer: No hair dryer is provided at the bathhouse. · 3 visitors, Oct 2022 – Mar 2024
- Rest area: There is a tatami seating area with a view where visitors can relax after bathing. · 1 visitor, Aug 2023
- Restaurant: An attached cafe serves cakes, parfaits and drinks after bathing, though it is sometimes closed unexpectedly. · 2 visitors, Oct 2024 – Jan 2025
Timing
When to go
Weekly hours
| Day | Hours |
|---|---|
| Monday | 10:00–20:00 |
| Tuesday | Closed |
| Wednesday | Closed |
| Thursday | 10:00–20:00 |
| Friday | 10:00–20:00 |
| Saturday | 10:00–20:00 |
| Sunday | 10:00–20:00 |
Closed Tuesday, Wednesday.
Getting there
How to get there
Nearest station
Bungo-Mori · JR Kyushu10.9 km in a straight line; bus or taxi from the station
Address
3216-2 Yabakeimachi Oaza Shinyaba, Nakatsu, Oita 871-0422From the facility's listing
Show a driver
深耶馬温泉 岩戸湯The name in Japanese, for a taxi or at the counter
Phone
+81979-55-2923Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
instagram.comOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
Nearby
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What matters
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Questions
Common questions
Can I visit Iwatoyu & cafe without staying overnight?
Visitors pay an entrance fee and bathe without lodging, confirming day-use is offered.
How much does Iwatoyu & cafe cost?
Admission was 300 yen in 2022-2023 reviews but had risen to 400 yen by 2024-2026.
Is the water free-flowing spring water?
Multiple visitors describe the bath as fully source-fed kakenagashi with fresh spring water constantly flowing in.
