
HOT SPRING
The Source of Energy, the Ideyu Hot Spring of Tsugaru
The well-known Hyakuzawa hot spring is also known as “netsu no yu,” or the heated hot water, a famous hot spring cherished by the local people.
The baths at Asobe no Mori Iwakiso feature free-flowing hot spring water.
Come and relax to your heart’s content.
* Ideyu (hot water heated by natural geothermal heat above 25 degrees Celsius)
Aomori Hiba Large Bath

Aomori hiba (birch) is known for its relaxing aroma as well as its ability to withstand the harsh norther winds and snow.
Enjoy the warmth of the ideyu hot spring and the gentle feel of the birch wood.


Open Air Bath

The open air bath makes use of the natural terrain and are decorated with natural rock formations, offering a full range of natural beauty throughout the four seasons.
In the fall, guests can enjoy the blazing colors of the primeval oak forest.
Hot Spring for Day Visitors

Hours of Operation and Rates
Day use (morning) | Hours: 7:00am-2:00pm (last admission at 1:00pm) |
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Day use (evening) | Hours 6:00pm-9:00pm (last admission at 8:00pm) |
Admission | Adults 700 yen, children 400 yen, infants free |
Spring Quality and Benefits
- Spring quality / Sodium magnesium bicarbonate and chloride spring
- Spring temperature / 48.5 degrees Celsius
- Benefits / Neuralgia, muscle pain, joint pain, stiff shoulders, etc.
Guest Rooms with Open Air Bath
We offer rooms with open air hot spring baths with free-flowing water from the source.
The low temperature hot spring faucet allows guests to adjust the temperature to their liking.
This is a perfect way to soak in the hot spring in an ultimate private setting.

