Showa strong sauna and a natural flow-through cold plunge bath with water from Mt. Kugami
Niigata Tsubame City
"Temari no Yu" is a natural hot spring facility attached to Michi-no-Eki Kugami in Tsubame City, Niigata Prefecture. Known as Tsubame City’s only onsen, it offers the soft waters of a simple sulfur cold mineral spring. The sauna features dry heat with high temperatures and low humidity, in what is described as a Showa strong style, and is popular with fans seeking an intense sweating experience. Its pride and joy is the cold plunge bath, which uses natural underground water springing from Mt. Kugami in an abundant flow-through style, allowing you to enjoy an exceptionally smooth and gentle cool-down on the skin. It is a spot where the convenience of a roadside station and an authentic bathhouse experience come together, helping you reset both body and mind.
TypeNatural Hot Spring
A natural hot spring of the simple sulfur cold mineral spring type. The water has a faint sulfur aroma and a smooth, silky texture that blends comfortably with the skin. With excellent warming and moisturizing effects, it leaves the skin moist and refreshed after bathing. In the indoor baths and open-air baths, you can enjoy a leisurely soak while feeling the abundant nature of Tsubame City.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity10people
A dry sauna that evokes the Showa strong style, featuring high temperatures and low humidity. Strong heat that feels almost sharp on the skin wraps around your whole body, drawing out sweat quickly in a short amount of time. It is a setting that satisfies everyone from seasoned sauna lovers who enjoy intense heat to those who simply want to warm up thoroughly.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity2people
Underground water nurtured by the rich natural environment of Mt. Kugami is offered in generous flow-through style. Its defining feature is the remarkably soft feel of natural water on the skin, with none of the harshness typical of tap water, surrounding you in a gentle sensation that makes you want to stay in it forever. Fresh water continuously flows in, letting you experience an exceptional cool-down.
Closed Days: None
7550-3 Nagatatsu, Tsubame City, Niigata Prefecture 959-0139
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
Showa strong sauna and a natural flow-through cold plunge bath with water from Mt. Kugami
Niigata Tsubame City
"Temari no Yu" is a natural hot spring facility attached to Michi-no-Eki Kugami in Tsubame City, Niigata Prefecture. Known as Tsubame City’s only onsen, it offers the soft waters of a simple sulfur cold mineral spring. The sauna features dry heat with high temperatures and low humidity, in what is described as a Showa strong style, and is popular with fans seeking an intense sweating experience. Its pride and joy is the cold plunge bath, which uses natural underground water springing from Mt. Kugami in an abundant flow-through style, allowing you to enjoy an exceptionally smooth and gentle cool-down on the skin. It is a spot where the convenience of a roadside station and an authentic bathhouse experience come together, helping you reset both body and mind.
TypeNatural Hot Spring
A natural hot spring of the simple sulfur cold mineral spring type. The water has a faint sulfur aroma and a smooth, silky texture that blends comfortably with the skin. With excellent warming and moisturizing effects, it leaves the skin moist and refreshed after bathing. In the indoor baths and open-air baths, you can enjoy a leisurely soak while feeling the abundant nature of Tsubame City.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity10people
A dry sauna that evokes the Showa strong style, featuring high temperatures and low humidity. Strong heat that feels almost sharp on the skin wraps around your whole body, drawing out sweat quickly in a short amount of time. It is a setting that satisfies everyone from seasoned sauna lovers who enjoy intense heat to those who simply want to warm up thoroughly.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity2people
Underground water nurtured by the rich natural environment of Mt. Kugami is offered in generous flow-through style. Its defining feature is the remarkably soft feel of natural water on the skin, with none of the harshness typical of tap water, surrounding you in a gentle sensation that makes you want to stay in it forever. Fresh water continuously flows in, letting you experience an exceptional cool-down.
Closed Days: None
7550-3 Nagatatsu, Tsubame City, Niigata Prefecture 959-0139
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