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Tennen-machi Onsen
4.2★ · 77 Google ratings · Oita, Oita · 天然町温泉
✓ Natural hot-spring water✓ Free-flowing source water
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
06:30–10:00from the facility listing
Price
¥300Admission has been consistently 300 yen from 2023 through 2026.stated by 10 visitors · Nov 2023 – Aug 2026
Bathing arrangement
Men and women separateThe bath has separate men's and women's sections (2024-2025).stated by 2 visitors · Nov 2024 – Sep 2025
Tattoos
Not known · call aheadno policy stated in the 36 recent reviews we read or on the facility's website
Watch out
Price
Admission has been consistently 300 yen from 2023 through 2026.
stated by 10 visitors · Nov 2023 – Aug 2026Payment
The unstaffed entrance uses a coin slot that unlocks the door, requiring exact coins with no card or digital payment option.
stated by 3 visitors · Apr 2024 – Aug 2026Soap & shampoo
Visitors reported no shampoo or other amenities provided (2025-2026).
stated by 3 visitors · Jan 2025 – Oct 2025The bath
What you’ll find
Tennen-machi Onsen is a tiny unstaffed public bathhouse (kyōdo-yu) hidden behind an apartment building, with a coin-operated door, a small kakenagashi mall-type (mo-ru) hot spring bath, no outdoor bath, and cash-only entry requiring exact coins.
Outdoor bath
NoThe facility has only an indoor bath and no outdoor bath (2024).stated by 1 visitor · Jun 2024
Indoor baths
1There is a single small indoor tub holding about three to four people (2024).stated by 1 visitor · Jun 2024
The water
Free-flowing (kakenagashi)
✓ YesReviewers describe the bath as genuine source-fed (kakenagashi) mall-type onsen (2025-2026).stated by 2 visitors · Oct 2025 – Aug 2026
Spring type
Sodium bicarbonate-chloride spring (mo-ru/moor type)The posted analysis names the spring a sodium bicarbonate-chloride type, consistent with its dark 'moor' (mo-ru) colored water (2024).stated by 1 visitor · Jun 2024
pH
pH 8.6A posted water analysis lists the spring pH as 8.6 (2024).stated by 1 visitor · Jun 2024
Practical
What to bring
Payment
Cash onlyThe unstaffed entrance uses a coin slot that unlocks the door, requiring exact coins with no card or digital payment option.stated by 3 visitors · Apr 2024 – Aug 2026
Soap & shampoo
Not provided — bring your ownVisitors reported no shampoo or other amenities provided (2025-2026).stated by 3 visitors · Jan 2025 – Oct 2025
Hair dryer
✓ YesA shared free hair dryer is available, though one visitor described it as weak (2024-2025).stated by 2 visitors · Nov 2024 – Jan 2025
Timing
When to go
Quietest Thursday around 6:00; busiest Tuesday around 19:00. Measured by Google over past visits, not a forecast.
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Quiet Busy
| Day | Hours |
|---|---|
| Monday | 06:30–10:00 |
| Tuesday | 06:30–10:00 |
| Wednesday | 06:30–10:00 |
| Thursday | 06:30–10:00 |
| Friday | 06:30–10:00 |
| Saturday | 06:30–10:00 |
| Sunday | 06:30–10:00 |
Practical
Plan your visit
📍 5 Chome-1-1681―77 Akenokita, Oita, 870-0165
🚃 Takajō station, 1.8 km
📞 +8197-558-2805
📋 Show at the counter: 天然町温泉
Nearby
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