Oshima Mineral Spring
大島鉱泉
Tomioka, Gunma, Kanto
Type
Day Use Onsen
Rating
0.0
Tattoo Policy
Private Bathing Allowed
Prefecture
Gunma
About
Oshima Kosen is a local onsen facility in Tomioka, Gunma, offering a relaxing mix of private baths and outdoor bathing. With sauna and on-site dining, it’s an easy stop for travelers seeking a quieter, less touristy hot spring experience.
Facilities & Amenities
🛁Private Bath
🌳Outdoor Bath
🔥Sauna
🍽️Restaurant
⛰️Rock Bath
💧Kakenagashi (Free-flowing Spring Water)
Additional Amenities
Private bathsOutdoor bathsSaunaRestaurantKakenagashi (flowing/stream-style bath)
Pricing
¥450 adults (12+), ¥200 junior (6 to under 12), ¥100 children (under 6)
Facility Details
Equipment & Features
Private bathsOutdoor bathsSaunaRestaurantKakenagashi (flowing/stream-style bath)
Access & Directions
Parking
Parking available
Nearest Stations
- Joshu Ichinomiya Station1.72 km
- Jinnohara Station1.76 km
- Joshu Nanokaichi Station2.57 km
- Nishitomioka Station3.10 km
- Joshu Tomioka Station3.64 km
- Higashi-Tomioka Station4.35 km
- Nanjajii Station4.36 km
- Chihei Station5.80 km
- Joshu Fukushima Station6.35 km
- Isobe Station6.85 km
Contact Information
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City
Tomioka
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