Shima Onsen is a historic hot spring town in Gunma Prefecture, loved for its quiet atmosphere, healing waters, and traditional ryokans. Surrounded by nature, it’s a perfect place to relax and experience rural Japan.
How to Get to Shima Onsen
By Train
- From Tokyo Station, take the JR Joetsu Line to Takasaki Station.
- Transfer to the JR Agatsuma Line to Nakanojo Station (about 3 hours total).
- Take a local bus from Nakanojo Station to Shima Onsen (40 minutes).
By Bus
- Direct highway buses run once daily from Tokyo Station (Yaesu South Exit).
- Travel time is about 3 hours and advance reservation is recommended.
By Car
- Drive via the Kan-Etsu Expressway to Shibukawa-Ikaho IC.
- Follow signs to Shima Onsen (about 90 minutes from the interchange).
Check the latest weather forecast before your visit: [weathernews]
Recommended Itineraries

Half-Day Plan
Visit the oldest wooden hot spring inn in Japan.
Enjoy the turquoise water and peaceful forest paths.
Observe natural rock formations created by river erosion.
Full-Day Plan
Follow the half-day plan, then continue exploring nearby attractions:
Take photos of the vivid blue lake or try stand-up paddleboarding.
Relax in free public baths like “Yamaguchi no Yu.”
Visit local shops and try sweet steamed buns called Shima Manju.
Must-See Spots and Experiences

Sekizenkan Ryokan
A cultural landmark and inspiration for the film Spirited Away.
Shima River and Yamaguchi Bridge
A scenic walking route along crystal-clear waters.
Shima Potholes
Naturally formed rock pools, unique to this region.
Okushima Lake
A vivid, blue-colored lake perfect for outdoor activities.
Public Bath “Hinomaru no Yu”
Free to use and popular among both locals and visitors.
Best Local Foods to Try
Shima’s cuisine is rooted in seasonal, natural ingredients from the mountains.
- Yuba (tofu skin) – Often served at ryokans in delicate kaiseki meals.
- Char-grilled iwana – Mountain trout grilled with salt over charcoal.
- Shima Manju – Sweet red bean buns, great for souvenirs.
- Gunma Udon – Thick, firm noodles with soy-based dipping sauce.
Local inns now highlight farm-to-table dining and vegetarian-friendly menus.
Where to Stay
Shima Onsen offers a range of accommodations, from luxury to budget-friendly inns.
Luxury
- Sekizenkan – Historic architecture and serene open-air baths.
- Kashiwaya Ryokan – Modern comfort blended with traditional charm.
Mid-Range
- Yamaguchikan – Centrally located with private baths.
- Yumoto Hotel – Known for its family-friendly atmosphere.
Budget
- Shima Grand Hotel – Affordable with large communal baths.
- Shima Tamura – Good value with excellent onsen facilities.
FAQ
- Are tattoos allowed in the hot springs?
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Most public baths restrict tattoos. Private baths at ryokans are a safe choice.
- Can I book a ryokan without speaking Japanese?
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Many ryokans offer online booking in English. Staff may speak basic English.
- Is Shima Onsen suitable for solo travelers?
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Yes, many ryokans welcome solo guests and provide quiet spaces to relax.
- Are there hiking trails nearby?
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Yes, several scenic trails surround the area, including routes along the river.
- Are there ATMs in the town?
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A few ATMs are available, but carrying some cash is recommended.
Conclusion

Shima Onsen is a timeless escape nestled in the mountains of Gunma Prefecture. With over a thousand years of history, its mineral-rich hot springs, wooden ryokans, and peaceful atmosphere offer a truly authentic experience. Whether you’re seeking relaxation, cultural immersion, or a break from the city, Shima Onsen is a destination worth discovering.
Plan your visit today and explore one of Japan’s best hidden hot spring towns.

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