Right Onsen › Oita › Beppu
Koudei onsen
4.5★ · 600 Google ratings · Beppu, Oita · 鉱泥(こうでい)温泉
✓ Day visitors✓ Outdoor bath
Before you go
Can you bathe here?
Day visitors
✓ YesConfirmed by recent visitor reports
Hours
08:15–12:00From the facility's listing
Closed
ThursdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 33 recent reviews we read or on the facility's website
Price
¥900 adultConfirmed by recent visitor reports
Time limit
5–7 minutes per soakConfirmed by recent visitor reports
How we know this
- Day visitors: Multiple day-use visitors bathed successfully in 2026; facility operates morning hours only (typically 8:30 AM to noon). · 3 visitors, Jun 2026 – Jul 2026
- Price: Day-use admission is 900 yen as of July 2026; one review from May 2026 noted the price had risen to 900 yen. · 3 visitors, Apr 2026 – Jul 2026
- Time limit: Standard bathing protocol: 5–7 minutes in mud bath, then rest, repeat 3–4 times. · 3 visitors, Mar 2026 – Jun 2026
Atmosphere
The bath
What you’ll find
Small mud-bath hot spring in Beppu, open mornings only, with staff instruction on proper bathing technique for first-time visitors.
Bath setup
Indoor baths
2.0Reported by two visitors
Outdoor bath
✓ YesReported by one visitor
Spring water
Spring type
mud, sulfurReported by two visitors
Bath temperature
44°CBaths are heated to approximately 44–45 °C; visitors report distinctly hot water.Confirmed by recent visitor reports
How we know this
- Indoor baths: Facility has a regular (non-mud) bath for warming and rinsing, plus a separate mud bath. · 2 visitors, Jun 2026 – Jul 2026
- Outdoor bath: Outdoor communal baths confirmed; mud bath and regular bath are outdoor facilities. · 1 visitor, Jun 2026
- Spring type: Mud bath with strong sulfur odor; mud sourced from nearby Bozu Jigoku. · 2 visitors, Apr 2026 – Jun 2026
- Bath temperature: Baths are heated to approximately 44–45 °C; visitors report distinctly hot water. · 3 visitors, Mar 2026 – Jun 2026
Practical
What you need
Payment
✕ Cash onlyTwo reviews suggest cash-only payment; no card or QR payment mentioned.Reported by two visitors
Hair dryer
✓ YesReported by two visitors
How we know this
- Payment: Two reviews suggest cash-only payment; no card or QR payment mentioned. · 2 visitors, Apr 2026 – Jul 2026
- Hair dryer: One hair dryer available at the facility. · 2 visitors, Mar 2026 – Aug 2026
Timing
When to go
Weekly hours
| Day | Hours |
|---|---|
| Monday | 08:15–12:00 |
| Tuesday | 08:15–12:00 |
| Wednesday | 08:15–12:00 |
| Thursday | Closed |
| Friday | 08:15–12:00 |
| Saturday | 08:15–12:00 |
| Sunday | 08:15–12:00 |
Closed Thursday.
Getting there
How to get there
Nearest station
Beppu Daigaku · JR Kyushu3.3 km in a straight line; bus or taxi from the station · step-free station
Address
6 Oguracho, Beppu, Oita 874-0842From the facility's listing
Show a driver
鉱泥(こうでい)温泉The name in Japanese, for a taxi or at the counter
Phone
+81977-66-0863Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
bouzujigoku.comOfficial, in Japanese
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What matters
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Questions
Common questions
Can I visit Koudei onsen without staying overnight?
Multiple day-use visitors bathed successfully in 2026; facility operates morning hours only (typically 8:30 AM to noon).
How much does Koudei onsen cost?
Day-use admission is 900 yen as of July 2026; one review from May 2026 noted the price had risen to 900 yen.
