A fusion of Takeda Shingen's hidden hot spring and a modern löyly sauna
Yamanashi Minobu Town
Located in Minobu Town, Healthy Spa Sunroad Shimobe no Yu opened in 2023 as a day-use bathing facility in Shimobe Onsen, which is known as one of Takeda Shingen's hidden hot springs. It features two types of source springs, the 49.4°C Shimobe Oku no Yu and the 20.9°C Amagawachi Onsen, allowing alternating hot-and-cold bathing between a hot spring and a cold mineral spring. Both the men's and women's areas are equipped with large löyly saunas, and auto-löyly is performed at :00 and :30 every hour. The facility also offers a spacious cold plunge bath that fits about 10 people and ample outdoor resting spaces, creating an ideal environment for sauna enthusiasts.
TypeNatural Hot Spring
You can enjoy two source springs: the high-temperature Shimobe Oku no Yu (49.4°C) and the cold mineral spring Amagawachi Onsen (20.9°C). Outdoor baths, reclining baths, and walking baths are also available.
Sauna TypeDry Sauna
Stove Typestone
Capacity22people
A large sauna room that can accommodate more than 20 people. An auto-löyly runs every 30 minutes, maintaining comfortable humidity and heat.
Water Qualitytap
Capacity10people
A spacious cold plunge bath that can fit about 10 people at once. The water temperature is around 16°C, which cools and firms the body after a sauna session.
Closed Days: None
1917-3 Kaminotaira Kaminotaira, Minobu Town, Minamikoma District, Yamanashi 409-2947, Japan
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 fusion of Takeda Shingen's hidden hot spring and a modern löyly sauna
Yamanashi Minobu Town
Located in Minobu Town, Healthy Spa Sunroad Shimobe no Yu opened in 2023 as a day-use bathing facility in Shimobe Onsen, which is known as one of Takeda Shingen's hidden hot springs. It features two types of source springs, the 49.4°C Shimobe Oku no Yu and the 20.9°C Amagawachi Onsen, allowing alternating hot-and-cold bathing between a hot spring and a cold mineral spring. Both the men's and women's areas are equipped with large löyly saunas, and auto-löyly is performed at :00 and :30 every hour. The facility also offers a spacious cold plunge bath that fits about 10 people and ample outdoor resting spaces, creating an ideal environment for sauna enthusiasts.
TypeNatural Hot Spring
You can enjoy two source springs: the high-temperature Shimobe Oku no Yu (49.4°C) and the cold mineral spring Amagawachi Onsen (20.9°C). Outdoor baths, reclining baths, and walking baths are also available.
Sauna TypeDry Sauna
Stove Typestone
Capacity22people
A large sauna room that can accommodate more than 20 people. An auto-löyly runs every 30 minutes, maintaining comfortable humidity and heat.
Water Qualitytap
Capacity10people
A spacious cold plunge bath that can fit about 10 people at once. The water temperature is around 16°C, which cools and firms the body after a sauna session.
Closed Days: None
1917-3 Kaminotaira Kaminotaira, Minobu Town, Minamikoma District, Yamanashi 409-2947, Japan
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