Right Onsen › Oita › Bungotakada
Kaimon hot spring
4.3★ · 134 Google ratings · Bungotakada, Oita · 海門温泉
✓ Natural hot-spring water✓ Free-flowing source water✓ Rest area
Before you go
Can you bathe here?
Day visitors
✓ YesMultiple visitors paid a day-use admission fee and bathed without being residents or guests.stated by 2 visitors · May 2022 – Jul 2024
Hours
15:00–20:00 · closed Wednesday, Thursdayfrom the facility listing
Price
¥350Adult admission has consistently been 350 yen across reviews from 2022 to 2026, with a discounted 180 yen rate for stamp-book holders mentioned once.stated by 3 visitors · May 2022 – May 2026
Tattoos
Not known · call aheadno policy stated in the 34 recent reviews we read or on the facility's website
Watch out
Lockers
Lockers are free to use but have no lock, so items are stored without a key.
stated by 3 visitors · May 2022 – Mar 2025Price
Adult admission has consistently been 350 yen across reviews from 2022 to 2026, with a discounted 180 yen rate for stamp-book holders mentioned once.
stated by 3 visitors · May 2022 – May 2026Indoor baths
There is only a single small indoor tub.
stated by 2 visitors · May 2023 – Mar 2026The bath
What you’ll find
Kaimon hot spring is a small municipal indoor bathhouse in Bungotakada known for its very strong, brown, salty iron-chloride spring water; tattoos are reportedly refused.
Outdoor bath
NoThere is no outdoor bath, only a single indoor tub.stated by 2 visitors · Oct 2023 – May 2026
Indoor baths
1There is only a single small indoor tub.stated by 2 visitors · May 2023 – Mar 2026
Sauna
NoThe facility has no sauna.stated by 1 visitor · May 2026
Cold bath
NoThere is no cold plunge bath.stated by 1 visitor · May 2026
Rest area
✓ YesThere is a small rest/waiting area used when the single tub gets crowded.stated by 2 visitors · Feb 2025 – May 2025
The water
Free-flowing (kakenagashi)
✓ YesThe bath is fed by source-flow (kakenagashi) natural spring water.stated by 3 visitors · May 2023 – Mar 2026
Spring type
Sodium-magnesium chloride spring (strong saline)The posted analysis names the spring a sodium-magnesium chloride strong-salt spring.stated by 1 visitor · May 2026
Source temperature
40.8°CThe source water temperature is 40.8°C according to the posted spring analysis.stated by 1 visitor · May 2026
pH
pH 6.2The spring analysis lists a pH of 6.2 (neutral).stated by 1 visitor · May 2026
Practical
What to bring
Soap & shampoo
✓ ProvidedShampoo and body soap are provided at the sink area.stated by 3 visitors · May 2022 – May 2026
Lockers
✓ FreeLockers are free to use but have no lock, so items are stored without a key.stated by 3 visitors · May 2022 – Mar 2025
Timing
When to go
| Day | Hours |
|---|---|
| Monday | 15:00–20:00 |
| Tuesday | 15:00–20:00 |
| Wednesday | Closed |
| Thursday | Closed |
| Friday | 15:00–20:00 |
| Saturday | 15:00–20:00 |
| Sunday | 15:00–20:00 |
Closed Wednesday, Thursday.
Practical
Plan your visit
📍 1778-8 Nakamatama, Bungotakada, Oita 872-1101
🚃 Buzen-Nagasu station, 9.8 km
📞 +81978-25-5305
📋 Show at the counter: 海門温泉
Nearby
Other baths close by
Usa · 4.1★
Bungotakada · 4.2★
Bungotakada · 3.9★
Beppu · 4.1★
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