Right Onsen › Kanagawa › Hakone
Yasaka-Yu
4.2★ · 202 Google ratings · Hakone, Kanagawa · 弥坂湯
✓ Day visitors
Before you go
Can you bathe here?
Day visitors
✓ YesConfirmed by recent visitor reports
Hours
09:00–20:00From the facility's listing
Closed
ThursdayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 36 recent reviews we read or on the facility's website
Price
¥650 adultConfirmed by recent visitor reports
Bathing
Men and women separateReported by two visitors
How we know this
- Day visitors: Multiple visitors confirmed day-use admission at 650 yen for tourists from 2023–2026; locals pay less (100–150 yen mentioned). · 3 visitors, Jan 2025 – Aug 2026
- Price: Day-use admission 650 yen consistently reported 2023–2026. · 4 visitors, Jan 2025 – Aug 2026
- Bathing arrangement: Men's and women's baths separated; one review notes entrance door alignment allows partial view of women's changing room. · 2 visitors, Feb 2025 – May 2026
Atmosphere

The bath
What you’ll find
Traditional Hakone public bath with alkaline mineral water, 650 yen day-use, small circular tile bath, locals-only cheaper rate; soap and towels lent free by counter staff.
Bath setup
Indoor baths
1.0Confirmed by recent visitor reports
Spring water
Spring type
alkaline simpleConfirmed by recent visitor reports
Source temperature
44.6°CReported by two visitors
Bath temperature
40°CBath temperature reported as lukewarm, typically 39–40°C or slightly higher; some reviewers note heating in winter only or mechanical failure causing lower temps.Confirmed by recent visitor reports
pH
pH 8.7Reported by two visitors
Free-flowing (kakenagashi)
Partly confirmedFlowing spring water year-round; heated only in winter; one review noted prior visitor added shower water to bath, diluting source flow.Fresh spring water flows continuously through the bath
Heated
✓ YesReported by two visitors
How we know this
- Indoor baths: Single circular tiled bath in center of communal bath hall, 2023–2026. · 3 visitors, Apr 2026 – Aug 2026
- Spring type: Alkaline simple mineral spring, pH 8.7, source temperature 44.6°C. · 3 visitors, Jul 2024 – Mar 2026
- Source temperature: Source temperature 44.6°C, reported 2026–2025. · 2 visitors, May 2025 – Mar 2026
- Bath temperature: Bath temperature reported as lukewarm, typically 39–40°C or slightly higher; some reviewers note heating in winter only or mechanical failure causing lower temps. · 3 visitors, Sep 2025 – May 2026
- pH: pH 8.7 reported in two reviews, 2026–2025. · 2 visitors, May 2025 – Mar 2026
- Free-flowing (kakenagashi): Flowing spring water year-round; heated only in winter; one review noted prior visitor added shower water to bath, diluting source flow. · 3 visitors, Jan 2025 – Mar 2026
- Heated: Heating applied in winter months only; out-of-season water may be cooler. · 2 visitors, Apr 2025 – Mar 2026
Practical
What you need
Towels
Rental availableConfirmed by recent visitor reports
Lockers
✓ FreeConfirmed by recent visitor reports
Hair dryer
✓ YesConfirmed by recent visitor reports
Facilities
Rest area
✓ YesReported by two visitors
How we know this
- Towels: Towels (hand and face) lent free by counter staff upon request, 2023–2026. · 3 visitors, May 2025 – May 2026
- Lockers: Free lockers with locks in changing room, 2024–2026. · 3 visitors, Jan 2025 – May 2026
- Hair dryer: Hair dryer lent free by counter staff upon request, 2024–2025. · 3 visitors, Sep 2024 – Feb 2025
- Rest area: Tatami rest room available for 100 yen/2 hours, furnished with fans, stove, cushions; water consumption only permitted, no food/drink sales. · 2 visitors, Mar 2025 – May 2026
Timing
When to go
Weekly hours
| Day | Hours |
|---|---|
| Monday | 09:00–20:00 |
| Tuesday | 09:00–20:00 |
| Wednesday | 09:00–20:00 |
| Thursday | Closed |
| Friday | 09:00–20:00 |
| Saturday | 09:00–20:00 |
| Sunday | 09:00–20:00 |
Closed Thursday.
Getting there
How to get there
Nearest station
Hakone-Yumoto · Odakyu Hakone Railway · OH50About 7 min on foot, 0.5 km in a straight line · step-free station
Address
577-577-1 Yumoto, Hakone, Ashigarashimo District, Kanagawa 250-0311577-577-1 Yumoto, 箱根町 Hakone, Ashigarashimo District, Kanagawa 250-0311 · From the facility's listing
Show a driver
弥坂湯The name in Japanese, for a taxi or at the counter
Phone
+81460-85-5233Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.town.hakone.kanagawa.jpOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
Nearby
Other baths close by
Self-style hot spring take out place in Izumi Hot Spring.
3.8★ · 0.4 km
✓Day useTattoos ?✓Private bath
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Questions
Common questions
Can I visit Yasaka-Yu without staying overnight?
Multiple visitors confirmed day-use admission at 650 yen for tourists from 2023–2026; locals pay less (100–150 yen mentioned).
How much does Yasaka-Yu cost?
Day-use admission 650 yen consistently reported 2023–2026.
Is the water free-flowing spring water?
Flowing spring water year-round; heated only in winter; one review noted prior visitor added shower water to bath, diluting source flow.