Immerse yourself in a sense of openness with one of the largest open-air baths in the prefecture and two spring sources
Yamagata Tendo City
"Tendo Mogamigawa Onsen Yupia" is a large day-use hot spring facility in Tendo City, Yamagata Prefecture. Its biggest highlight is the spacious open-air bath, one of the largest in Yamagata Prefecture. It lavishly uses two different spring sources with different temperatures, No. 1 and No. 2, so guests can enjoy bathing around to suit their preferences. The spring water is sodium chloride hot spring known for its excellent heat-retention effect, helping keep you warm for a long time after getting out. The sauna is a far-infrared type using natural stone, where you can work up a good sweat in a spacious environment. Combined with the cold plunge bath, which is among the coldest in the prefecture, it continues to attract many devoted fans.
TypeNatural Hot Spring
A sodium chloride hot spring with excellent heat-retention properties. It has a pleasant texture and is beloved as a thermal spring that warms the body all the way through. In the spacious indoor bath, you can leisurely enjoy the abundant blessings of the natural spring water. It offers a soothing bathing experience that relieves daily fatigue and keeps you warm for a long time even after you get out.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity30people
A far-infrared sauna using natural stone. The spacious room allows heat to circulate well, letting you warm up gradually from deep within your body. It maintains a moderate level of humidity, so it is less likely to feel stifling. With generous seating, you can leisurely work up a sweat and enjoy a luxurious time of relaxation. Wearing a bath towel is recommended when using it, so you can enjoy sauna bathing in a clean and comfortable environment.
Water QualityTap Water
Capacity3people
A cold plunge bath that ranks among the coldest in Yamagata Prefecture. The sharp chill of the extreme cold water tightens the body all at once after the sauna and delivers an intense burst of refreshment. The spacious tub makes it easy to cool down while soaking in up to your shoulders. Many fans travel from far away just for this coldness, making it an irresistible setup for those seeking an authentic hot-cold alternating bath experience.
Closed Days: Monday
1620-1 Tonai Shinden, Tendo City, Yamagata Prefecture 994-0074
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
Immerse yourself in a sense of openness with one of the largest open-air baths in the prefecture and two spring sources
Yamagata Tendo City
"Tendo Mogamigawa Onsen Yupia" is a large day-use hot spring facility in Tendo City, Yamagata Prefecture. Its biggest highlight is the spacious open-air bath, one of the largest in Yamagata Prefecture. It lavishly uses two different spring sources with different temperatures, No. 1 and No. 2, so guests can enjoy bathing around to suit their preferences. The spring water is sodium chloride hot spring known for its excellent heat-retention effect, helping keep you warm for a long time after getting out. The sauna is a far-infrared type using natural stone, where you can work up a good sweat in a spacious environment. Combined with the cold plunge bath, which is among the coldest in the prefecture, it continues to attract many devoted fans.
TypeNatural Hot Spring
A sodium chloride hot spring with excellent heat-retention properties. It has a pleasant texture and is beloved as a thermal spring that warms the body all the way through. In the spacious indoor bath, you can leisurely enjoy the abundant blessings of the natural spring water. It offers a soothing bathing experience that relieves daily fatigue and keeps you warm for a long time even after you get out.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity30people
A far-infrared sauna using natural stone. The spacious room allows heat to circulate well, letting you warm up gradually from deep within your body. It maintains a moderate level of humidity, so it is less likely to feel stifling. With generous seating, you can leisurely work up a sweat and enjoy a luxurious time of relaxation. Wearing a bath towel is recommended when using it, so you can enjoy sauna bathing in a clean and comfortable environment.
Water QualityTap Water
Capacity3people
A cold plunge bath that ranks among the coldest in Yamagata Prefecture. The sharp chill of the extreme cold water tightens the body all at once after the sauna and delivers an intense burst of refreshment. The spacious tub makes it easy to cool down while soaking in up to your shoulders. Many fans travel from far away just for this coldness, making it an irresistible setup for those seeking an authentic hot-cold alternating bath experience.
Closed Days: Monday
1620-1 Tonai Shinden, Tendo City, Yamagata Prefecture 994-0074
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