Home Facilities Onsen - Hoshizora Onsen


Hoshizora Onsen

The water that is collected 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
    ARAI 2F, Hoshizora Onsen & Pool


Categories Time Price ( JPY )
Hotel Guest


06:00 - 10:00 Free
13:00 - 23:00

Weekends & Holidays

06:00- 23:00
Visitor 13:00 - 23:00 Adult


(* ¥1,500)



(* ¥800)

■ "*" will be rate effective December 15th, 2023.

・Bath towels and face towels are available for rent at the Hoshizoraonsen.
However, Staff are not on duty between 6:00 and 10:00 on weekdays and between 6:00 and 9:00 on Saturdays, Sundays, and national holidays. In such cases, please bring towels provided in your room.

※ Children : Under 12year-old (Free admission for under 3year-old children)
※ When Tuesdays and Fridays are holidays, there will be a two-part system due to the inclusion of sterilization and cleaning time.


[ Prohibitions ]
- No shoes with dirt floors are allowed in the building.
- No gangsters are allowed to enter.
- Please refer to the "Regulations for Tattoos" below if you have any tattoos.
- Please refrain from bathing if you have a skin condition or contagious disease.
- No adult or child in diapers is allowed to enter the bathhouse.
- Drunken persons are not allowed to enter the bathhouse.
- No food or beverages are allowed in the bathrooms.
- Hair dyeing and other chemicals are not permitted in the bathrooms.
- No cameras, etc. are allowed in the changing rooms or bathrooms.

[ Notes ]
- Children under elementary school age are not allowed to use the venue.
- Please use the security box for valuables, etc.
- Any behavior that may cause inconvenience to other guests is prohibited.


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