onsen
Skin Beautifying Hot Spring Comes from a Private Source
Our hot spring is the simplicity hot spring which is soft for body. It is a hot spring which is called pH 8.7 and where alkalinity is higher than usual. And it is the feature that skin is smooth and it is called hot water of lustrous skin.
About hot spring source

We have a hot spring source inside our land(name : Kourakuen Onsen). It supplies the source of 80 tons to a bathtub from 500 meters below ground every day. The spring quality is an alkaline strong simplicity hot spring of pH 8.7 (the analysis of 2012) Because temperature of the sources is 27 degrees, after having flowed into the bathtub, we heat and circulate We do not add the tap water at all, but we may drain the groundwater in the site temporarily when the source is short, several minutes after the time for exchange of the hot water. However the quantity is just few percent of the whole bath and is not only the thing which has a serious influence on a spring quality. We do chlorination of appropriate density by the instruction of the public health center.
"Iwano-yu" has large public onsen with the Japanese style outside onsen with a sense of space.
The indoor baths are built in the image of the historic white-walled warehouses of Otaru, complete with high ceilings that let the steam escape and give an extraordinary sense of spaciousness.

TIME | ■Women 15:00 PM~24:00 PM ■Men 5:00 AM ~ 10:30 AM *Not available from 24:00 PM~5:00 AM due to the cleaning and maintenance |
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SPEC | Inside bath 1,Open-air bath 2,Bedrock bath 3 units,Rest space |
The panorama 360°movie with the view of public onsen, outside onsen
The panorama 360°movie with the view of public onsen, outside onse
"Morino-yu-ya" As the name of this onsen means " hot water of the forest", this onsen is an inside public bath with green surrounding it.
As the name "Mori-no Yuya" shows, both outdoor one and inside one are baths among the green in the circumference. Please relax with view of the garden of our proud. At the inside bath which set up a wall with a hinoki you can overlook the garden from an oval-shaped big prospects window. Please enjoy different fantastic atmospheres in the daytime, and at night the garden is lighted up.This time, a full-fledged "Finnish sauna" has been completed.

TIME | ■Men 15:00 PM~24:00 PM ■Women 5:00 AM ~ 10:30 AM *Not available from 24:00 PM~5:00 AM due to the cleaning and maintenance |
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SPEC | Inside bath 1,Open-air bath 1,Finnish sauna 1 |
Private Onsen"Kokage no ideyu"
In 80 square meters of spacious chartered hot spring spa space, please relax without the hesitation, with your family and partner. Furthermore, a sofa and TV in the dressing room of the spa, it is like your living space. Feel the wind from the garden at your private spa, refresh in a Finnish sauna, and take a rest and relax at the living space.

Please refresh in a Finnish sauna, and take a rest and relax at the living space.
Charge | 2000 YEN per 45 min. (*The rate per a bath)*tax excluded *Bathing charges and towels NOT included for visitor(day trip guest) |
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Private Charter | For 45 minutes charter. |
Staying Guest 【45 min. Each】 |
15:30~16:15 16:45~17:30 18:00~18:45 20:00~20:45 21:15~22:00 22:30~23:15 (Next morning) 7:30~8:15 8:45~9:30 10:00~10:45 |
Reservation | can be accepted after check-in, we cannot accept advanced reservation before check-in. Please choose your request time from the above. We will give the key for the spa before the reservation time, and please call front desk to return the one after finished. |
SPEC | Inside bath 1,Sauna ,TV and Refrigerator (free of charge for use) |