Right Onsen › Kanagawa › Yokohama
Kusatsu (Yokohama Ten-nen Onsen)
4.0★ · 705 Google ratings · Yokohama, Kanagawa · 横浜天然温泉くさつ
✓ Natural hot-spring water✓ Outdoor bath✓ Rest area✓ Restaurant
Before you go
Can you bathe here?
Day visitors
Not known · call aheadCommunal baths in onsen towns can be for residents or staying guests only; nobody states the rule here.not stated in the 35 recent reviews we read
Hours
12:00–23:00 · closed Mondayfrom the facility listing
Tattoos
✓ AllowedMultiple 2026 reviews confirm tattooed customers are common and not turned away, though some visitors found this uncomfortable.stated on the facility's website · read 2026-09
visitors report Allowed · 3 visitors · Aug 2026
visitors report Allowed · 3 visitors · Aug 2026
Watch out
Sauna
A sauna is available for an extra fee and is frequently mentioned as a highlight across 2026 reviews.
stated by 3 visitors · Apr 2026 – Jul 2026Soap & shampoo
Shampoo and body soap are not supplied; visitors must bring their own or buy them on site.
stated by 3 visitors · Feb 2026 – Aug 2026Tattoos
Multiple 2026 reviews confirm tattooed customers are common and not turned away, though some visitors found this uncomfortable.
stated by 3 visitors · Aug 2026Hair dryer
Hair dryers are available but require coins (about 20–200 yen per few minutes).
stated by 2 visitors · Feb 2026 – Aug 2026The bath
What you’ll find
Kusatsu is a neighborhood black-hot-spring (kuroyu) sento near Idogaya Station with an outdoor bath, sauna and cold plunge, where visitors report that visible tattoos are accepted and soap/shampoo are not provided.
Outdoor bath
✓ YesReviewers describe a half-open-air (han-roten) black-water bath in addition to indoor tubs.stated by 3 visitors · Jun 2026 – Aug 2026
Indoor baths
4One review counted four indoor tubs including one cold bath.stated by 1 visitor · Aug 2026
Sauna
✓ YesA sauna is available for an extra fee and is frequently mentioned as a highlight across 2026 reviews.stated by 3 visitors · Apr 2026 – Jul 2026
Cold bath
✓ YesA cold plunge bath using the same natural black-water spring is present alongside the hot baths.stated by 3 visitors · Feb 2026 – Aug 2026
Rest area
NoReviewers note there is no lounging or nap area, unlike a super-sento.stated by 3 visitors · Jun 2026 – Aug 2026
Restaurant
✓ YesA small food and drink counter offering beer, ramen and snacks is available after bathing.stated by 3 visitors · May 2026 – Aug 2026
The water
Spring type
Kuroyu (dark mineral spring)The bath uses Yokohama's characteristic dark 'kuroyu' natural hot spring water rather than a clear or white spring.stated by 3 visitors · Apr 2026 – Aug 2026
Practical
What to bring
Soap & shampoo
Not provided — bring your ownShampoo and body soap are not supplied; visitors must bring their own or buy them on site.stated by 3 visitors · Feb 2026 – Aug 2026
Hair dryer
✓ YesHair dryers are available but require coins (about 20–200 yen per few minutes).stated by 2 visitors · Feb 2026 – Aug 2026
Timing
When to go
Quietest Friday around 12:00; busiest Sunday around 19:00. Measured by Google over past visits, not a forecast.
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Quiet Busy
| Day | Hours |
|---|---|
| Monday | Closed |
| Tuesday | 12:00–23:00 |
| Wednesday | 12:00–23:00 |
| Thursday | 12:00–23:00 |
| Friday | 12:00–23:00 |
| Saturday | 10:00–23:00 |
| Sunday | 10:00–23:00 |
Closed Monday.
Practical
Plan your visit
📍 21-29 Idogaya Kamimachi, Minami Ward, Yokohama, Kanagawa 232-0051
🚃 Idogaya station, 0.3 km
📞 +8145-712-2617
📋 Show at the counter: 横浜天然温泉くさつ
Nearby
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