Right Onsen › Gunma › Tomioka
Myōgi Fureai Plaza / Myōgi Onsen Hot Spring ‘Momiji no Yu’
3.9★ · 973 Google ratings · Tomioka, Gunma · 妙義ふれあいプラザ 妙義温泉｢もみじの湯｣
✓ Day visitors✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
10:00–20:00From the facility's listing
Closed
MondayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 36 recent reviews we read or on the facility's website
Price
¥620 adultConfirmed by recent visitor reports
Time limit
3 hoursConfirmed by recent visitor reports
How we know this
- Day visitors: Listed as a day-use onsen: a bath for day visitors by definition. No visitor review states otherwise. · from the listing category
- Price: Adult 3-hour admission is most often quoted at 620 yen, though a couple of reviews mention 600 or 650 yen instead. · 4 visitors, Feb 2026 – Aug 2026
- Time limit: Entry is capped at a 3-hour stay, which one reviewer flagged as unsuited to long, leisurely visits. · 4 visitors, Apr 2026 – Jun 2026
The bath
What you’ll find
A hilltop day-use bathhouse below Mt. Myogi with sweeping mountain and Kanto-plain views from its outdoor bath, trucked-in heated/recirculated mineral water, a sauna, and a well-liked restaurant, though the outdoor bath has a history of shutting down during water shortages.
Bath setup
Indoor baths
2.0Reported by two visitors
Outdoor bath
✓ YesThe outdoor bath has a scenic view and reopened around June 2026 after an extended water-shortage closure that ran through spring 2026 — worth confirming it is currently open before visiting.Confirmed by recent visitor reports
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesReported by one visitor
View
MountainConfirmed by recent visitor reports
Spring water
Spring type
sodium bicarbonate-chloride cold mineral springReported by one visitor
Bath temperature
39°CConfirmed by recent visitor reports
Recirculated
✓ YesReported by two visitors
How we know this
- Indoor baths: There are two indoor tubs, a large one and a small one. · 2 visitors, May 2026
- Outdoor bath: The outdoor bath has a scenic view and reopened around June 2026 after an extended water-shortage closure that ran through spring 2026 — worth confirming it is currently open before visiting. · 4 visitors, Jun 2026 – Aug 2026
- Sauna: A small sauna (fits about 5-8 people) is available and generally well-liked. · 4 visitors, Feb 2026 – May 2026
- Cold bath: A cold plunge bath is available alongside the sauna. · 1 visitor, May 2026
- View: The bath, especially the outdoor one, offers wide views of Mt. Myogi and the Kanto plain. · 4 visitors, Feb 2026 – Jul 2026
- Spring type: The posted spring type is a sodium bicarbonate-chloride cold mineral spring, weakly alkaline. · 1 visitor, Jun 2026
- Bath temperature: The indoor baths run around 38-40C, consistently described as on the lukewarm side. · 3 visitors, Apr 2026 – Jun 2026
- Recirculated: The water is run through a recirculation system rather than flowing freely. · 2 visitors, Mar 2026 – May 2026
- Full spring description: sodium bicarbonate-chloride cold mineral spring (weakly alkaline)
Practical
What you need
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Lockers
✓ Coin returnedConfirmed by recent visitor reports
Hair dryer
✓ YesHigh-end Dyson/ReFa hair dryers are available, but all are paid (5 minutes for 100 yen) with no free option.Confirmed by recent visitor reports
Parking
✓ Free on siteFrom the facility's listing
Accessibility
Step-free entrance, accessible restroom and accessible parkingFrom the facility's listing. Bath access not confirmed
Facilities
Rest area
✓ YesConfirmed by recent visitor reports
Restaurant
✓ YesConfirmed by recent visitor reports
How we know this
- Soap & shampoo: Rinse-in shampoo and body soap are provided, though one reviewer found the shampoo left hair feeling rough. · 3 visitors, Feb 2026 – Jun 2026
- Lockers: Lockers require a 100-yen coin, which is returned after use. · 3 visitors, Feb 2026 – Jun 2026
- Hair dryer: High-end Dyson/ReFa hair dryers are available, but all are paid (5 minutes for 100 yen) with no free option. · 5 visitors, Feb 2026 – Aug 2026
- Rest area: Several large rest rooms/lounges are available for relaxing after bathing. · 4 visitors, Apr 2026 – Jul 2026
- Restaurant: The on-site restaurant offers a varied, well-liked menu of set meals, ramen, and curry. · 5 visitors, May 2026 – Aug 2026
Timing
When to go
Quietest Wednesday around 19:00. Busiest Sunday around 16:00.
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Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | Closed |
| Tuesday | 10:00–20:00 |
| Wednesday | 10:00–20:00 |
| Thursday | 10:00–20:00 |
| Friday | 10:00–20:00 |
| Saturday | 10:00–20:00 |
| Sunday | 10:00–20:00 |
Closed Monday.
Getting there
How to get there
Nearest station
Nishi-Matsuida · JR East2.7 km in a straight line; bus or taxi from the station
Address
1-1 Myogimachi Myogi, Tomioka, Gunma 379-0201From the facility's listing
Show a driver
妙義ふれあいプラザ 妙義温泉｢もみじの湯｣The name in Japanese, for a taxi or at the counter
Phone
+81274-60-7600Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
www.tomioka-silk.jpOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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What matters
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Questions
Common questions
Can I visit Myōgi Fureai Plaza / Myōgi Onsen Hot Spring ‘Momiji no Yu’ without staying overnight?
Listed as a day-use onsen: a bath for day visitors by definition. No visitor review states otherwise.
How much does Myōgi Fureai Plaza / Myōgi Onsen Hot Spring ‘Momiji no Yu’ cost?
Adult 3-hour admission is most often quoted at 620 yen, though a couple of reviews mention 600 or 650 yen instead.
