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Yakushinoyu
4.3★ · 110 Google ratings · Hita, Oita · 天ヶ瀬温泉 薬師湯
✓ Natural hot-spring water✓ Free-flowing source water✓ Outdoor bath
Before you go
Can you bathe here?
Day visitors
✓ YesVisitors describe walking in, dropping 100 yen into an honesty box, and bathing casually without reservation.stated by 3 visitors · Jun 2024 – Jan 2026
Hours
10:00–22:00from the facility listing
Price
¥100Entrance is a 100 yen self-service honesty-box fee, though one 2025 review reported 200 yen at a separate upstream pool.stated by 3 visitors · Feb 2026 – Jun 2026
Bathing arrangement
Mixed bathingThe single tub is mixed-gender bathing, and multiple reviewers note it is mostly used by men with little privacy.stated by 3 visitors · Jun 2024 – May 2026
Tattoos
Not known · call aheadno policy stated in the 42 recent reviews we read
Watch out
Bathing arrangement
The single tub is mixed-gender bathing, and multiple reviewers note it is mostly used by men with little privacy.
stated by 3 visitors · Jun 2024 – May 2026Payment
Payment is cash only, dropped into a self-service collection box.
stated by 3 visitors · Sep 2023 – Mar 2025Price
Entrance is a 100 yen self-service honesty-box fee, though one 2025 review reported 200 yen at a separate upstream pool.
stated by 3 visitors · Feb 2026 – Jun 2026Bath temperature
The bath water runs hot, commonly measured around 42-43°C, though temperature can vary naturally and some visitors found it lukewarm or too hot.
stated by 2 visitors · Jul 2025 – Feb 2026The bath
What you’ll find
Yakushinoyu is a 100-yen open-air riverside communal sulfur bath in Ōita's Tagawa onsen area, mixed-bathing with only partial screening, so bathers are visible from the road and opposite bank.
Outdoor bath
✓ YesThe facility is a single open-air riverside bath with no indoor bathing area.stated by 3 visitors · Apr 2023 – Jul 2026
View
RiverThe bath sits directly beside the Kusu River with open river views while soaking.stated by 2 visitors · Feb 2023 – Jan 2026
The water
Spring type
Simple sulfur springThe spring is generally described as a simple sulfur spring, though one review instead noted a sodium chloride-carbonate sulfur composition.stated by 2 visitors · Sep 2023 – Feb 2026
Bath temperature
43°CThe bath water runs hot, commonly measured around 42-43°C, though temperature can vary naturally and some visitors found it lukewarm or too hot.stated by 2 visitors · Jul 2025 – Feb 2026
Practical
What to bring
Payment
Cash onlyPayment is cash only, dropped into a self-service collection box.stated by 3 visitors · Sep 2023 – Mar 2025
Timing
When to go
Quietest Tuesday around 10:00; busiest Sunday around 14:00. Measured by Google over past visits, not a forecast.
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Quiet Busy
| Day | Hours |
|---|---|
| Monday | 10:00–22:00 |
| Tuesday | 10:00–22:00 |
| Wednesday | 10:00–22:00 |
| Thursday | 10:00–22:00 |
| Friday | 10:00–22:00 |
| Saturday | 10:00–22:00 |
| Sunday | 10:00–22:00 |
Practical
Plan your visit
📍 1141 Amagasemachi Yuyama, Hita, Oita 879-4201
🚃 Amagase station, 0.5 km
📋 Show at the counter: 天ヶ瀬温泉 薬師湯
Nearby
Other baths close by
Hita · 3.6★
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