Right Onsen › Gunma › Shibukawa
Akagi Natural Onsen Hanayu Utopia
3.7★ · 74 Google ratings · Shibukawa, Gunma · 赤城天然温泉 花湯ユートピア赤城
✓ Day visitors✓ Outdoor bath✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesStated on the facility's website
Hours
10:00–23:00From the facility's listing
Closed
IrregularStated on the facility's website
Last entry
22:30Stated on the facility's website
Tattoos
✕ Not allowedStated on the facility's website
Price
¥700 adultRecent visitor reports indicate a change. The official site still lists ¥600
Child price
¥300Stated on the facility's website
How we know this
- Day visitors: Multiple day visitors bathed at this facility from October 2025 to August 2026; reviews confirm day-use admission available. · stated on the facility's website, read 2026-09 · 3 visitors, Dec 2025 – Jun 2026
- Closed: stated on the facility's website, read 2026-09
- Last entry: stated on the facility's website, read 2026-09
- Tattoos: stated on the facility's website, read 2026-09
- Price: Day-use bathing costs 700 yen on weekends and holidays (as of May–August 2026); weekday rate stated as 600 yen in October 2025. · 2 visitors, Dec 2025 – Jul 2026
- Child price: stated on the facility's website, read 2026-09
Atmosphere
The bath
What you’ll find
Public onsen with sauna and cold bath near a health park, offering day-use bathing at 700 yen; source water flows freely but facility is cramped and aging.
Bath setup
Indoor baths
1.0Reported by one visitor
Outdoor bath
✓ YesConfirmed by recent visitor reports
Sauna
✓ YesSauna present but extremely cramped (capacity 3–5 per row across 2 tiers); visitors consistently report tight squeeze and poor temperature management.Reported by two visitors
Cold bath
✓ YesReported by one visitor
Spring water
Spring type
simple mineralReported by one visitor
How we know this
- Indoor baths: One indoor bath plus bubble bath feature (reported January 2026). · 1 visitor, Oct 2025
- Outdoor bath: Open-air bath available alongside indoor bath with good airflow and pleasant sensation (reported June–August 2026). · 3 visitors, Oct 2025 – Aug 2026
- Sauna: Sauna present but extremely cramped (capacity 3–5 per row across 2 tiers); visitors consistently report tight squeeze and poor temperature management. · 2 visitors, Dec 2025 – Jul 2026
- Cold bath: Cold bath present with approximate capacity for 3 people and water temperature around 20 °C (reported January 2026). · 1 visitor, Oct 2025
- Spring type: Spring classified as simple mineral, low-mineral type (reported January 2026). · 1 visitor, Jan 2026
Practical
What you need
Towels
Rental availableStated on the facility's website
Lockers
Coin not returnedStated on the facility's website
Hair dryer
✓ YesHair dryers available but low power; bring own if possible (reported January–May 2026).Reported by two visitors
Accessibility
Step-free entrance and accessible parkingFrom the facility's listing. Bath access not confirmed
Facilities
Rest area
✓ YesReported by one visitor
Restaurant
✓ YesRestaurant open but lunch service ends at 14:00; slow food preparation reported (October 2025–February 2026).Reported by two visitors
Lodging
✓ YesConfirmed by recent visitor reports
How we know this
- Towels: stated on the facility's website, read 2026-09
- Lockers: stated on the facility's website, read 2026-09
- Hair dryer: Hair dryers available but low power; bring own if possible (reported January–May 2026). · 2 visitors, Jan 2026 – May 2026
- Rest area: Tatami or table seating rest area available for day visitors (reported October–December 2025). · 1 visitor, Dec 2025
- Restaurant: Restaurant open but lunch service ends at 14:00; slow food preparation reported (October 2025–February 2026). · 2 visitors, Oct 2025 – Nov 2025
- Lodging: Adjacent business hotel (Hana Hotel) with guests able to use bathing facilities; hotel opening changed day-use atmosphere (reported May–June 2026). · 3 visitors, Jan 2026 – Jun 2026
Timing
When to go
Quietest Thursday around 10:00. Busiest Saturday around 16:00.
| 8A | 9A | 10A | 11A | 12P | 13P | 14P | 15P | 16P | 17P | 18P | 19P | 20P | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MO | |||||||||||||
| TU | |||||||||||||
| WE | |||||||||||||
| TH | |||||||||||||
| FR | |||||||||||||
| SA | |||||||||||||
| SU |
Quiet Busy
Based on Google visit patterns, not a forecast.
Weekly hours
| Day | Hours |
|---|---|
| Monday | 10:00–23:00 |
| Tuesday | 10:00–23:00 |
| Wednesday | 10:00–23:00 |
| Thursday | 10:00–23:00 |
| Friday | 10:00–23:00 |
| Saturday | 10:00–23:00 |
| Sunday | 10:00–23:00 |
Closed Irregular.
Getting there
How to get there
Nearest station
ShikishimaAbout 7 min on foot, 0.6 km in a straight line
Address
850-3 Akagimachi Miyada, Shibukawa, Gunma 379-1121From the facility's listing
Show a driver
赤城天然温泉 花湯ユートピア赤城The name in Japanese, for a taxi or at the counter
Phone
+81279-56-4126Japanese-speaking. For tattoos or private baths a call is the only sure answer
Website
yutopia-akagi.comOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
Nearby
Other baths close by
Agatsuma Onsen Nekoyajo Onsen
4.1★ · 8.0 km · Higashiagatsuma
✓Day useTattoos ?✓Outdoor bath✓Kakenagashi
Find another
Not the right bath?
Where are you starting from?
More options
What matters
Contribute
Been here recently?
Help other visitors with fresh information about Akagi Natural Onsen Hanayu Utopia. Everything below is optional except the last box.
Questions
Common questions
Can I visit Akagi Natural Onsen Hanayu Utopia without staying overnight?
Multiple day visitors bathed at this facility from October 2025 to August 2026; reviews confirm day-use admission available.
How much does Akagi Natural Onsen Hanayu Utopia cost?
Day-use bathing costs 700 yen on weekends and holidays (as of May–August 2026); weekday rate stated as 600 yen in October 2025.
