Right Onsen › Gunma › Nakanojo
Otoku Onsen
4.0★ · 157 Google ratings · Nakanojo, Gunma · 応徳温泉 くつろぎの湯
✓ Natural hot-spring water✓ Free-flowing source water✓ Rest area
Before you go
Can you bathe here?
Day visitors
✓ YesVisitors reported the bath only opens from noon, and one arriving at 9am/10am in 2025-2026 was turned away or had to wait.stated on the facility's website · read 2026-09
visitors report Limited hours · 2 visitors · Dec 2023 – Jun 2026
visitors report Limited hours · 2 visitors · Dec 2023 – Jun 2026
Hours
12:00–20:00 · closed Wednesdayfrom the facility listing
Price
¥500Adult day-use price was consistently reported as 500 yen from 2024-2026, with an older 400 yen price mentioned in 2023 and a lower resident/child rate.stated by 3 visitors · Aug 2023 – Aug 2026
the facility's website lists ¥500 · source, read 2026-09
the facility's website lists ¥500 · source, read 2026-09
Tattoos
Not known · call aheadno policy stated in the 35 recent reviews we read or on the facility's website
Watch out
Bath temperature
Bath temperature was reported around 40-44°C, described as hot enough to make bathers sweat afterward.
stated by 3 visitors · Aug 2023 – Jul 2026Soap & shampoo
As of September 2025 shampoo and body soap are no longer stocked, though earlier visitors (2024-2025) could sometimes buy them at reception before supplies ran out.
stated by 3 visitors · Sep 2025 – May 2026Day visitors
Visitors reported the bath only opens from noon, and one arriving at 9am/10am in 2025-2026 was turned away or had to wait.
stated by 2 visitors · Dec 2023 – Jun 2026The bath
What you’ll find
A small, retro indoor-only sulfur hot-spring bath attached to a roadside station near Kusatsu, open for day-use around 500 yen; note it only opens from noon and shampoo/soap are no longer supplied so bring your own.
Outdoor bath
NoMultiple reviewers confirmed there is no outdoor bath, only a single indoor tub.stated by 3 visitors · Aug 2023 – Sep 2025
Indoor baths
1Reviewers consistently described a single small indoor bathtub as the only bathing area.stated by 3 visitors · Aug 2025 – Oct 2025
Outdoor baths
0No outdoor bath exists; only the indoor tub is available (a free outdoor foot bath was separately noted).stated by 3 visitors · Aug 2023 – Sep 2025
Rest area
✓ YesA tatami rest room with a ping-pong table and vending machines is available for relaxing after bathing.stated by 3 visitors · Dec 2023 – Oct 2025
The water
Free-flowing (kakenagashi)
✓ YesSeveral reviewers explicitly described the bath as genuine source-fed kakenagashi hot spring water.stated by 4 visitors · Sep 2023 – Jul 2026
Spring type
Sodium-calcium sulfate-chlorideOne detailed 2025 review identified the spring as a sodium-calcium sulfate-chloride hot spring with a faint sulfur smell.stated by 1 visitor · Sep 2025
Bath temperature
42°CBath temperature was reported around 40-44°C, described as hot enough to make bathers sweat afterward.stated by 3 visitors · Aug 2023 – Jul 2026
Practical
What to bring
Soap & shampoo
Not provided — bring your ownAs of September 2025 shampoo and body soap are no longer stocked, though earlier visitors (2024-2025) could sometimes buy them at reception before supplies ran out.stated by 3 visitors · Sep 2025 – May 2026
Lockers
✓ FreeFree valuables lockers are provided in the corridor, though the changing area itself uses open baskets rather than lockers.stated by 3 visitors · May 2024 – Sep 2025
Hair dryer
✓ YesA single hair dryer is available free of charge in the changing area.stated by 3 visitors · Nov 2023 – Sep 2024
Timing
When to go
| Day | Hours |
|---|---|
| Monday | 12:00–20:00 |
| Tuesday | 12:00–20:00 |
| Wednesday | Closed |
| Thursday | 12:00–20:00 |
| Friday | 12:00–20:00 |
| Saturday | 12:00–20:00 |
| Sunday | 12:00–20:00 |
Closed Wednesday.
Practical
Plan your visit
📍 21-1 Kosame, Nakanojo, Agatsuma District, Gunma 377-1704
🚃 Gunma-Otsu station, 6.1 km
📋 Show at the counter: 応徳温泉 くつろぎの湯
Nearby
Other baths close by
Higashiagatsuma · 3.8★
Kusatsu · 4.3★
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