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Usa Ajimu Onsen Center
3.5★ · 162 Google ratings · Usa, Oita · 宇佐市 安心院温泉センター
✓ 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
12:00–21:00 · closed Tuesday, Thursdayfrom the facility listing
Price
¥300Adult admission has consistently been 300 yen across reviews from 2024 to 2025.stated by 3 visitors · Feb 2024 – Jul 2024
Tattoos
Not known · call aheadno policy stated in the 38 recent reviews we read
Watch out
Outdoor bath
The outdoor bath is closed, banned, or no longer exists according to multiple reviews from 2023 to 2025.
stated by 3 visitors · Mar 2024 – Jul 2025Soap & shampoo
Shampoo and body soap were discontinued as of end of May 2025 due to cost increases, though earlier reviews from 2023-2025 reported them provided.
stated by 3 visitors · Jun 2025 – Feb 2026Heated
Since the source spring pump broke, the bath has been heated tap water rather than natural spring flow, as reported in 2026 reviews.
stated by 2 visitors · Jan 2026 – Mar 2026Rest area
A second-floor rest area exists, though one 2025 review noted it had a leaking roof and no heating.
stated by 2 visitors · Jan 2025 – Feb 2026The bath
What you’ll find
A modest public onsen bathhouse near Ajimu winery mainly used by locals, offering an indoor communal tub for 300 yen but no sauna or usable outdoor bath, with soap and shampoo removed since mid-2025.
Outdoor bath
NoThe outdoor bath is closed, banned, or no longer exists according to multiple reviews from 2023 to 2025.stated by 3 visitors · Mar 2024 – Jul 2025
Indoor baths
1The facility has a single large indoor tub.stated by 2 visitors · Dec 2023 – Apr 2025
Sauna
NoThere is no sauna at the facility.stated by 2 visitors · Mar 2024 – Jul 2025
Cold bath
NoNo cold plunge bath is available.stated by 1 visitor · Mar 2024
Rest area
✓ YesA second-floor rest area exists, though one 2025 review noted it had a leaking roof and no heating.stated by 2 visitors · Jan 2025 – Feb 2026
The water
Spring type
Sodium springThe water was described as an odorless, colorless sodium-type spring in 2025.stated by 1 visitor · Apr 2025
Heated
✓ YesSince the source spring pump broke, the bath has been heated tap water rather than natural spring flow, as reported in 2026 reviews.stated by 2 visitors · Jan 2026 – Mar 2026
Practical
What to bring
Soap & shampoo
Not provided — bring your ownShampoo and body soap were discontinued as of end of May 2025 due to cost increases, though earlier reviews from 2023-2025 reported them provided.stated by 3 visitors · Jun 2025 – Feb 2026
Lockers
✓ FreeFree lockers for valuables are available in the changing room.stated by 2 visitors · Apr 2025 – Feb 2026
Hair dryer
✓ YesHair dryers are provided in the changing area.stated by 2 visitors · Feb 2026 – Mar 2026
Timing
When to go
Quietest Friday around 12:00; busiest Wednesday around 16:00. Measured by Google over past visits, not a forecast.
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Quiet Busy
| Day | Hours |
|---|---|
| Monday | 12:00–21:00 |
| Tuesday | Closed |
| Wednesday | 12:00–21:00 |
| Thursday | Closed |
| Friday | 12:00–21:00 |
| Saturday | 12:00–21:00 |
| Sunday | 12:00–21:00 |
Closed Tuesday, Thursday.
Practical
Plan your visit
📍 1046-1 Ajimumachi Shimoge, Usa, Oita 872-0521
🚃 Nishiyashiki station, 10.1 km
📞 +81978-44-1988
📋 Show at the counter: 宇佐市 安心院温泉センター
Nearby
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