Right Onsen › Gunma › Kusatsu
Ruri-no-Yu (Yubatake Source)
4.4★ · 9 Google ratings · Kusatsu, Gunma · 瑠璃の湯（湯畑源泉）
✓ Day visitors✓ Kakenagashi
Before you go
Can you bathe here?
Day visitors
Limited hoursConfirmed by recent visitor reports
Hours
00:00–08:00From the facility's listing
Tattoos
? Call aheadNo policy stated in the 15 recent reviews we read
Price
Free adultReported by two visitors
How we know this
- Day visitors: Access restricted to residents from 4 or 4 p.m.–10 p.m., but one recent review (Dec 2025) reports full resident-only status; another (Nov 2025) confirms 4 p.m. cutoff; reopened after COVID closure (Sep–Nov 2025). · 5 visitors, Nov 2025 – Jun 2026
- Price: Free admission for all visitors during open hours. · 2 visitors, Feb 2026 – Mar 2026
Atmosphere
The bath
What you’ll find
Free public bath in Kusatsu fed by Yubatake hot spring source; day-use access varies—check locally as residents-only hours conflict with recent reports.
Bath setup
Indoor baths
1.0Reported by one visitor
Spring water
Spring type
acid sulfur-aluminum-sulfate-chlorideReported by one visitor
Bath temperature
43°CConfirmed by recent visitor reports
Free-flowing (kakenagashi)
✓ FullFresh spring water flows continuously through the bath
How we know this
- Indoor baths: Single main bathing room with one shower station. · 1 visitor, Feb 2026
- Spring type: Yubatake source classified as acidic sulfur spring with aluminum, sulfate and chloride minerals. · 1 visitor, Feb 2026
- Bath temperature: Temperature approximately 43°C, described as moderate and comfortable compared to other Kusatsu public baths which are typically very hot. · 3 visitors, Nov 2025 – Aug 2026
- Free-flowing (kakenagashi): Yubatake source 100% flowing bath (no recirculation) with acid sulfur-aluminum-sulfate-chloride mineral composition. · 2 visitors, Dec 2025 – Feb 2026
Timing
When to go
Quietest Tuesday around 15:00. Busiest Monday around 17:00.
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Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 00:00–08:00 |
| Tuesday | 10:00–00:00 |
| Wednesday | 00:00–08:00 |
| Thursday | 10:00–00:00 |
| Friday | 00:00–08:00 |
| Saturday | 10:00–00:00 |
| Sunday | 00:00–24:00 |
Getting there
How to get there
Nearest station
Haneo8.0 km in a straight line; bus or taxi from the station
Address
54 Kusatsu, Agatsuma District, Gunma 377-1711From the facility's listing
Show a driver
瑠璃の湯（湯畑源泉）The name in Japanese, for a taxi or at the counter
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Nearby
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What matters
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Questions
Common questions
Can I visit Ruri-no-Yu (Yubatake Source) without staying overnight?
Access restricted to residents from 4 or 4 p.m.–10 p.m., but one recent review (Dec 2025) reports full resident-only status; another (Nov 2025) confirms 4 p.m. cutoff; reopened after COVID closure (Sep–Nov 2025).
How much does Ruri-no-Yu (Yubatake Source) cost?
Free admission for all visitors during open hours.
Is the water free-flowing spring water?
Yubatake source 100% flowing bath (no recirculation) with acid sulfur-aluminum-sulfate-chloride mineral composition.
