Right Onsen › Kanagawa › Yokohama
Asahi-yu
4.2★ · 226 Google ratings · Yokohama, Kanagawa · 朝日湯
✓ Day visitors✓ Kakenagashi✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
15:00–22:00From the facility's listing
Tattoos
? Call aheadNo policy stated in the 39 recent reviews we read or on the facility's website
Price
¥570 adultConfirmed by recent visitor reports
Child price
¥250Stated on the facility's website
Bathing
Men and women separateConfirmed by recent visitor reports
How we know this
- Day visitors: Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise. · from the listing category
- Price: Admission rose from 530 yen (2024) to 550 yen (March 2025) and 570 yen (2026). · 3 visitors, Mar 2025 – Jul 2026
- Child price: stated on the facility's website, read 2026-09
- Bathing arrangement: Men and women use separate entrances and changing rooms flanking a central bandai counter. · 3 visitors, Mar 2025 – Jul 2026
Atmosphere
The bath
What you’ll find
Asahi-yu is a historic 1928 neighborhood sento in Yokohama known for its dark kuroyu mineral-spring baths and matching black cold plunge; bring your own soap and shampoo and pay cash at the old-style bandai counter.
Bath setup
Indoor baths
5.0Reported by two visitors
Sauna
✓ YesA dry sauna is available for an extra fee, typically around 90-95°C.Confirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Spring water
Spring type
kuroyuConfirmed by recent visitor reports
Bath temperature
43°CThe main black-water bath runs roughly 42-46°C depending on the visit, with 43°C most often reported.Confirmed by recent visitor reports
Free-flowing (kakenagashi)
✓ FullFresh spring water flows continuously through the bath
How we know this
- Indoor baths: The bathhouse has four hot tubs (two black, two clear) plus one black cold plunge, all indoors. · 2 visitors, Jun 2024 – Jul 2026
- Sauna: A dry sauna is available for an extra fee, typically around 90-95°C. · 3 visitors, Jan 2025 – Jul 2026
- Cold bath: A small cold plunge filled with the same black spring water is available for bathers alternating with the sauna or hot bath. · 3 visitors, Nov 2024 – Jun 2026
- Spring type: The bath is fed by a natural dark 'kuroyu' mineral spring rather than ordinary heated tap water. · 3 visitors, May 2024 – Nov 2025
- Bath temperature: The main black-water bath runs roughly 42-46°C depending on the visit, with 43°C most often reported. · 3 visitors, Jun 2024 – Jul 2026
- Free-flowing (kakenagashi): Visitors describe the black spring water as flowing continuously (kakenagashi) rather than recirculated. · 2 visitors, Aug 2024 – Jul 2025
Practical
What you need
Towels
Rental availableSauna use sometimes comes with a complimentary or cheaply rented towel, but one visitor found no towel rental at all, so bring your own to be safe.Confirmed by recent visitor reports
Soap & shampoo
For sale at the counterSoap and shampoo are not provided at the washing stations, but small amounts can be purchased at the front counter.Stated on the facility's website
Hair dryer
✓ YesHair dryers are available but cost about 20 yen per use.Confirmed by recent visitor reports
Facilities
Rest area
✓ YesReported by two visitors
How we know this
- Towels: Sauna use sometimes comes with a complimentary or cheaply rented towel, but one visitor found no towel rental at all, so bring your own to be safe. · 3 visitors, Jun 2024 – Jul 2025
- Soap & shampoo: Soap and shampoo are not provided at the washing stations, but small amounts can be purchased at the front counter. · stated on the facility's website, read 2026-09 · 3 visitors, Jun 2024 – Dec 2025
- Hair dryer: Hair dryers are available but cost about 20 yen per use. · 3 visitors, Jun 2024 – Jul 2026
- Rest area: A small seating/sofa area in the changing room serves as an informal rest space. · 2 visitors, Nov 2024 – Jul 2026
Timing
When to go
Quietest Tuesday around 21:00. Busiest Saturday around 17:00.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
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| SU |
Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 15:00–22:00 |
| Tuesday | 15:00–22:00 |
| Wednesday | 15:00–22:00 |
| Thursday | 15:00–22:00 |
| Friday | 15:00–22:00 |
| Saturday | 15:00–22:00 |
| Sunday | 15:00–22:00 |
Getting there
How to get there
Nearest station
Namamugi · Keikyu · KK31About 2 min on foot, 0.1 km in a straight line
Address
3 Chome-6-24 Namamugi, Tsurumi Ward, Yokohama, Kanagawa 230-0052From the facility's listing
Show a driver
朝日湯The name in Japanese, for a taxi or at the counter
Phone
+8145-501-5863Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
k-o-i.jpOfficial, in Japanese
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Nearby
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What matters
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Questions
Common questions
Can I visit Asahi-yu without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.
How much does Asahi-yu cost?
Admission rose from 530 yen (2024) to 550 yen (March 2025) and 570 yen (2026).
Is the water free-flowing spring water?
Visitors describe the black spring water as flowing continuously (kakenagashi) rather than recirculated.
