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
    Hoshizora Onsen & Pool Front Desk 2F


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

【Guidance for preventing the spread of Coronavirus(COVID-19)】

In swimming pools and hot springs, entrance restrictions are imposed to prevent the spread of COVID-19. We ask for your understanding and cooperation of customers.

[Number of admittance]

Men : Maximum up to 40 people
Women : Maximum up to 40 people

※ We limit the number of dressing rooms to 2/3 of normal capacity to comply with 'social distancing'


AM 06:30~10:00 (Final Admission 09:00) 
PM 13:00~23:00 (Final Admission 22:00)

・Hotel guest : Free admission
・Visitor : Adults JPY 1,300/ Children JPY 700
* Onsen is available if you return the used lift ticket at the Onsen reception desk. (Adults JPY 1,000 / Children JPY 500)

Categories Time Price ( JPY )
Hotel Guest Mon - Fri A.M.6:30 - A.M.10:00 Free
P.M.1:00 - P.M.11:00
Sat, Sun A.M.6:30- P.M.11:00
Visitor P.M.1:00 - P.M.11:00 Adult 1,300
Child 700

※ Children : Under 12year-old (Free admission for under 3year-old children)
※ Towel rentals are free.


※ 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 products 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.


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