Right Onsen › Kanagawa › Hakone
Tenzan Onsen
4.4★ · 5897 Google ratings · Hakone, Kanagawa · 天山湯治郷
✓ Natural hot-spring water✓ Free-flowing source water✓ Outdoor bath✓ Rest area✓ Restaurant
Before you go
Can you bathe here?
Day visitors
✓ YesDay-use bathing is offered and used by many visitors as the primary way to visit.stated by 3 visitors · Jul 2026 – Aug 2026
Hours
09:00–23:00from the facility listing
Tattoos
✓ Allowedstated on the facility's website · read 2026-09
Price
¥1,450Adult day-use admission was 1450 yen in August 2026, up from 1350 yen reported in July 2026.stated by 3 visitors · Aug 2026
Bathing arrangement
Men and women separateBaths are separated by gender into men's and women's areas.stated by 3 visitors · Jul 2026 – Aug 2026
Watch out
Soap & shampoo
Shampoo, conditioner and soap are generally provided, though one review found none available and another noted the men's side lacked shampoo while the women's side had it.
stated by 3 visitors · Aug 2026The bath
What you’ll find
Tenzan Onsen is a rustic toji-style hot spring bathhouse near Hakone with indoor and rock-carved outdoor baths, a sauna, and food service, but tattoo policy is restrictive and inconsistently enforced.
Outdoor bath
✓ YesThe facility has open-air rock-carved outdoor baths described as spacious and natural.stated by 3 visitors · Jul 2026 – Aug 2026
Sauna
✓ YesA steam-type sauna is available in the men's bathing area, though sometimes crowded.stated by 3 visitors · Jul 2026 – Aug 2026
Rest area
✓ YesMultiple tatami rest and napping areas are available for lounging after bathing.stated by 3 visitors · Jul 2026 – Aug 2026
Restaurant
✓ YesAn on-site restaurant serves meals including hot-pot, soba, and local specialties.stated by 3 visitors · Jul 2026 – Aug 2026
The water
Spring type
Alkaline simple spring and sodium chloride springThe posted spring analysis lists two spring types: an alkaline simple spring and a sodium chloride spring.stated by 1 visitor · Aug 2026
Practical
What to bring
Soap & shampoo
✓ ProvidedShampoo, conditioner and soap are generally provided, though one review found none available and another noted the men's side lacked shampoo while the women's side had it.stated by 3 visitors · Aug 2026
English signage
✓ YesSome English explanation is available to foreign visitors at check-in.stated by 2 visitors · Aug 2026
Timing
When to go
Quietest Thursday around 22:00; busiest Saturday around 17:00. Measured by Google over past visits, not a forecast.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
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Quiet Busy
| Day | Hours |
|---|---|
| Monday | 09:00–23:00 |
| Tuesday | 09:00–23:00 |
| Wednesday | 09:00–23:00 |
| Thursday | 09:00–23:00 |
| Friday | 09:00–23:00 |
| Saturday | 09:00–23:00 |
| Sunday | 09:00–23:00 |
Practical
Plan your visit
📍 208 1F, Yumotochaya, Hakone, Ashigarashimo District, Kanagawa 250-0312
🚃 Tōnosawa station, 1.1 km
📞 +81460-86-4126
📋 Show at the counter: 天山湯治郷
Nearby
Other baths close by
Hakone · 4.3★
Hakone · 4.1★
Hakone · 3.9★
Hakone · 3.9★
Hakone · 4.0★
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