Onsen / Hot Spring

Hotpia, the hot spring health facility adjoining the hotel, is also open to visitors making a day trip to the hot springs.
Guests staying with us are able to bathe in the hot springs as many times as they like, free of charge.

Greenpia Onuma -English- > Facilities > Facilities

100% natural open-air hot springs

GREENPIA ONUMA's natural hot springs, "Shukunobe no Yu," is fully equipped with everything from 100% natural open-air hot springs,
to large baths, jacuzzis, bubble spas, reclining spas, cascade baths, and saunas of Japanese cypress.

Open-air bath
Soak in the ambience of South Hokkaido’s seasonal vistas from the 100% natural open-air hot springs.
Large bath
Relax and feel your daily cares slipping away in the spacious large bath.
A wide range of indoor baths
Enjoy a variety of different bath types.
Soak in the jacuzzi to loosen tight muscles.
The cascade bath
Try the cascade bath
The spacious shower area
A shower area spacious enough to ensure that even large groups are not crowded

For Guests with Children

Guests with small children may also use the baths.
Please inquire at the front desk staff if you require any of the children’s items.

  • Children’s sandals
  • Baby Bath Chair
  • Baby Bed

*It is dangerous for young children to bathe on their own. Always ensure that a caregiver accompanies the child.

Spring Quality

Spring water characteristics
Sodium hydrocarbonate spring (hypotonic alkaline high temperature spring)
Beneficial for the following illnesses/states
Neuralgia, muscular pain, joint pain, frozen shoulders, motor paralysis, stiff joints, bruising, sprains, chronic digestive complaints, hemorrhoids, sensitivity to cold, post illness recovery period, health improvement, wounds, burns, chronic skin complaints

Business Hours

Guests staying with us
5:30-9:00, 11:00-24:00*Sauna; – 22:00
Day visitors
6 a.m. – 9 a.m. (last entry 8 a.m.) Please enter via the hotel front desk.
11 a.m. – 9 p.m. (last entry 8 p.m.) Please enter via the hot spring health facility.


Guests staying with us
Guests staying overnight may use the hot springs free of charge.
Please ask the front desk staff for towels and bath towels.
Day visitors
  • Adult600 JPY
  • Child250 JPY
  • Baby(Under 3 years old)Free

Equipment / Fixtures

Body Soap
Baby Bath Chair
Changing room
Massage Chair
Coin Locker(Free)

Towel rental or purchase options are available.

Free of charge for guests staying with us.


  • Bath Towel & Tenugui(Washtowel)1set 300 JPY
  • Bath Towel200 JPY
  • Face Towel100 JPY


  • Bath Towel & Face Towel1set 400 JPY
  • Tenugui(Washtowel)150 JPY