A blissful stay where you can unwind with the natural hot spring and automatic löyly sauna on the top floor in Tomakomai
Hokkaido Tomakomai City
"Dormy Inn Tomakomai" is a business hotel in Tomakomai, Hokkaido. It reopened in February 2026 after renovations, and on the top 9th floor it features the natural hot spring public bath, Tarumae no Yu, fed by its own source. The sauna in both the men’s and women’s baths is a high-temperature sauna with automatic löyly, and paired with a cold plunge bath chilled by a chiller, it offers an authentic totonou experience. From the open-air bath, you can look out toward the Pacific Ocean when the weather is good, and enjoy an open-air rest while feeling the pleasant sea breeze. Breakfast includes the local specialty hokki rice, so you can also savor local flavors along with your stay.
TypeNatural Hot Spring
A natural hot spring fed by its own source, gushing from within the premises. It is a sodium chloride spring with excellent heat-retaining properties, so you stay warm for a long time after bathing. Its gentle, soft feel on the skin helps soothe everyday fatigue from deep within. Along with the view from the top floor, you can enjoy a luxurious bathing experience.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity6people
An automatic löyly-equipped high-temperature sauna is installed in each of the men’s and women’s baths. The two-tiered interior has a pleasant woody aroma, and you can work up a good sweat while watching TV. Thanks to regular automatic löyly, the ideal level of humidity and heat is always maintained. Wrapped in the fragrance of hinoki cypress, you can enjoy a deep, satisfying sweat.
Water QualityTap Water
Capacity2people
A cold plunge bath whose temperature is kept consistently low by a chiller. It rapidly cools down your overheated body after the sauna and provides a refreshing sense of renewal. Though compact, it is easy to move to from the sauna and can be used smoothly. Its crisp coolness leads you to a comfortable totonou state.
Closed Days: None
053-0023 2-1-22 Nishiki-cho, Tomakomai, Hokkaido
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
A blissful stay where you can unwind with the natural hot spring and automatic löyly sauna on the top floor in Tomakomai
Hokkaido Tomakomai City
"Dormy Inn Tomakomai" is a business hotel in Tomakomai, Hokkaido. It reopened in February 2026 after renovations, and on the top 9th floor it features the natural hot spring public bath, Tarumae no Yu, fed by its own source. The sauna in both the men’s and women’s baths is a high-temperature sauna with automatic löyly, and paired with a cold plunge bath chilled by a chiller, it offers an authentic totonou experience. From the open-air bath, you can look out toward the Pacific Ocean when the weather is good, and enjoy an open-air rest while feeling the pleasant sea breeze. Breakfast includes the local specialty hokki rice, so you can also savor local flavors along with your stay.
TypeNatural Hot Spring
A natural hot spring fed by its own source, gushing from within the premises. It is a sodium chloride spring with excellent heat-retaining properties, so you stay warm for a long time after bathing. Its gentle, soft feel on the skin helps soothe everyday fatigue from deep within. Along with the view from the top floor, you can enjoy a luxurious bathing experience.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity6people
An automatic löyly-equipped high-temperature sauna is installed in each of the men’s and women’s baths. The two-tiered interior has a pleasant woody aroma, and you can work up a good sweat while watching TV. Thanks to regular automatic löyly, the ideal level of humidity and heat is always maintained. Wrapped in the fragrance of hinoki cypress, you can enjoy a deep, satisfying sweat.
Water QualityTap Water
Capacity2people
A cold plunge bath whose temperature is kept consistently low by a chiller. It rapidly cools down your overheated body after the sauna and provides a refreshing sense of renewal. Though compact, it is easy to move to from the sauna and can be used smoothly. Its crisp coolness leads you to a comfortable totonou state.
Closed Days: None
053-0023 2-1-22 Nishiki-cho, Tomakomai, Hokkaido
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