An onsen on a hill embraced by an ancient forest, where you can enjoy spectacular open-air baths and a full-fledged sauna
Akita Daisen City
"Nishisenboku Nukumori Onsen Yumeria" is a natural hot spring facility located on a gentle hill in Daisen City, Akita Prefecture. It has two baths, one Japanese-style and one Western-style, with men and women alternating daily. The Japanese-style bath features an atmospheric open-air rock bath with natural stones, while the Western-style bath offers an open and airy open-air Jacuzzi with views of Mount Chokai. The sauna room is a genuine high-quality sauna with steady heat, and alternating between the sauna and the crisp cold bath provides a superb sense of refreshment. Soaking in the outdoor bath while gazing at the panorama of untouched nature brings both body and mind into deep relaxation.
TypeNatural Hot Spring
A natural hot spring containing sodium, calcium, chloride, and sulfate spring components. The mildly alkaline, soft water is gentle on the skin and highly effective at retaining warmth. You can enjoy high-quality water in open-air baths with different atmospheres, such as the Japanese-style rock bath and the Western-style Jacuzzi.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity15people
A full-fledged dry sauna that fills the room with steady heat. Equipped with a TV, it offers a relaxed and comfortable space. Heat from the far-infrared heater gradually penetrates deep into the body, encouraging a pleasant sweat. You can also enjoy the surrounding scenery from the window.
Water QualityTap Water
Capacity2people
A cold plunge bath known for its crisp, icy temperature setting. The low water temperature quickly tightens your body after the sauna. With free-flowing tap water, you can enjoy a refreshing reset.
Closed Days: None
〒019-2112 5-4 Kariwano Yamatakinosawa, Daisen City, Akita Prefecture
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more
An onsen on a hill embraced by an ancient forest, where you can enjoy spectacular open-air baths and a full-fledged sauna
Akita Daisen City
"Nishisenboku Nukumori Onsen Yumeria" is a natural hot spring facility located on a gentle hill in Daisen City, Akita Prefecture. It has two baths, one Japanese-style and one Western-style, with men and women alternating daily. The Japanese-style bath features an atmospheric open-air rock bath with natural stones, while the Western-style bath offers an open and airy open-air Jacuzzi with views of Mount Chokai. The sauna room is a genuine high-quality sauna with steady heat, and alternating between the sauna and the crisp cold bath provides a superb sense of refreshment. Soaking in the outdoor bath while gazing at the panorama of untouched nature brings both body and mind into deep relaxation.
TypeNatural Hot Spring
A natural hot spring containing sodium, calcium, chloride, and sulfate spring components. The mildly alkaline, soft water is gentle on the skin and highly effective at retaining warmth. You can enjoy high-quality water in open-air baths with different atmospheres, such as the Japanese-style rock bath and the Western-style Jacuzzi.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity15people
A full-fledged dry sauna that fills the room with steady heat. Equipped with a TV, it offers a relaxed and comfortable space. Heat from the far-infrared heater gradually penetrates deep into the body, encouraging a pleasant sweat. You can also enjoy the surrounding scenery from the window.
Water QualityTap Water
Capacity2people
A cold plunge bath known for its crisp, icy temperature setting. The low water temperature quickly tightens your body after the sauna. With free-flowing tap water, you can enjoy a refreshing reset.
Closed Days: None
〒019-2112 5-4 Kariwano Yamatakinosawa, Daisen City, Akita Prefecture
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more