Hot Spring
Gero Onsen is one of the three famous hot springs in Japan. It is less irritating and gentle on the body, so you can enjoy it for a long time.
Also, due to its high alkalinity, it is also called the 'beauty bath'.
At Sasara, the open-air baths in the guest rooms and the large public bath all use hot spring water, and are open 24 hours a day.
Please enjoy Gero's famous hot springs to your heart's content.
Large common bath with panoramic view

You can enjoy Gero's famous hot springs to the fullest, and the large observation bath is on the top floor with a great view.
In the open-air bath made of cypress, soak in the warmth of the wood.
You can enjoy the beautiful night view of the hot spring town.
※You can enjoy a panoramic view of Gero Onsen Town and the clear Hida River.
※You can bathe 24 hours a day (excluding cleaning).
※Guests with tattoos are strictly prohibited from using the facility. Thank you for your understanding.
Hinoki open-air spa

Enjoy the scent of Kiso cypress and the seasonal breeze.
ojojojojiofffffffofefoifefioefefeofera※You can enjoy a panoramic view of Gero Onsen Town and the clear Hida River.
※You can bathe 24 hours a day (excluding cleaning).
※Guests with tattoos are strictly prohibited from using the facility. Thank you for your understanding.
Private open-air rock spa

Popular with couples and families!
This is a private open-air rock spa that you can use with a sense of privacy. (with shower)
Private open-air cypress root bath

This is an open-air spa made by hollowing out the roots of a 700-year-old tree.