Home Facilities Onsen - Hoshizora Onsen


Hoshizora Onsen

"The water that collects in this onsen springs up from a depth of 1750 m and contains natural beauty-enhancing ingredients of low-alkalinity, creating an exquisite relaxation experience.
Guests can enjoy this outdoor onsen under a starry sky throughout the year."


  • Type
  • Location
    Hoshizora Onsen & Pool Front Desk 2F


Hours :
- Mon. to Fri. 6:30 AM ~ 9:00 AM(※) / 1:00 PM ~ 11:00 PM (10:30 PM Final Admission)
- Sat. San. 6:30 AM ~ 11:00 PM (10:30 PM Final Admission)
※Resort guests

An onsen with low-alkalinity that is both gentle on the skin and locks in moisture
An indoor pool that can be used year round
Enjoy the nature surrounding Okenashiyama from this onsen

General admission (towel included): Onsen use (Adults: 1,300 yen; Children: 700 yen), Pool use (Adults: 1,500 yen; Children: 700 yen), Pool + Onsen Use (Adults: 2,000 yen; Children: 1,200 yen)

Prices for resort guests (towel included): Onsen (free), Pool (Adults: 1,300 yen, Children: 700 yen)

20% off for those with a lift ticket
Children (under 12 years old)
Children under three years of age enter free


TEL +81-255-75-1114 Make a Call


(1) Bathing Facility Reception
・One person per shoe locker, please, and leave the key at the reception desk.
・The wristband you will be issued will have your locker number on it. Do not use any others.
・Please return the wristband when you leave the facilities.
・Losing your wristband will result in a 3000 yen fee.

(2) Bathing Facility Rules (Please Read)
・No dirty feet allowed in the baths.
・We will refuse admission and service to any and all anti-social organizations (including organized crime).
・We ask that persons with skin and/or contagious ailments to understand that we cannot offer them the service of the bathing facilities.
・We ask parents of toddlers in diapers to understand that we cannot offer the services of the bathing facilities.
・Inebriated guests will be refused the services of the bathing facility.
・Wash your body completely before entering the bath.
・Do not take towels into the bath.
・Dry your body completely before using the sauna.
・Dry your body completely after exiting the bath.
・No outside food or drink allowed in the bathing facilities.
・Please do not use hair coloring products or similar in the bathing facilities.

・Cameras and/or recording devices of any kind are expressly forbidden within ANY part
of the bathing facilities.
・Children under elementary school age must be accompanied by an adult at all times.
・Do not disturb other guests.