Oshima Mineral Spring — onsen in Tomioka, Gunma

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

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
View on Google Maps

Contact Information

Address

Oshima 148, Tomioka, Gunma

群馬県 富岡市 大島148