Two saunas and three cold plunge baths. Enjoy the beauty bath nurtured by ancient seawater and a theater
Niigata Agano City
"Yasuda Onsen Yasuragi" is an onsen lodging facility in Agano City. It boasts the nationally rare iodide-sodium-chloride strong brine cold mineral spring, and the hot spring water, made from ancient seawater rising from underground, offers extremely high moisturizing and heat-retention benefits. The sauna facilities are also well equipped, with two authentic dry saunas set at different temperatures. In addition, it features a luxurious setup that includes three cold plunge baths, including a flowing cold bath using well water. After the sauna, you can relax in the outdoor air and even lie down on the wood deck while gazing at the starry sky. The building also houses Kawaraza, a theater where you can enjoy popular traditional plays, making this a facility where hot springs and entertainment come together for a full day of fun.
TypeNatural Hot Spring
An iodide-sodium-chloride strong brine cold mineral spring. This highly concentrated source holds seawater trapped since ancient times. With a bathing sensation that clings to the skin, it is also renowned as a beauty bath, and strong antibacterial and warming effects can be expected.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
An authentic far-infrared dry sauna. With no TV and background music playing inside, you can take your time and work up a deep sweat while facing yourself. The calm design has a classic atmosphere.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity2people
A flowing cold bath using well water. There are multiple baths, with a wide variety of styles, including deep wooden bathtub types. The water quality is excellent, and it offers a luxurious spec that quickly tightens your body after the sauna.
Closed Days: None
6075-3 Yasuda, Agano City, Niigata Prefecture 959-2221 Yasuda Onsen Yasuragi
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
Two saunas and three cold plunge baths. Enjoy the beauty bath nurtured by ancient seawater and a theater
Niigata Agano City
"Yasuda Onsen Yasuragi" is an onsen lodging facility in Agano City. It boasts the nationally rare iodide-sodium-chloride strong brine cold mineral spring, and the hot spring water, made from ancient seawater rising from underground, offers extremely high moisturizing and heat-retention benefits. The sauna facilities are also well equipped, with two authentic dry saunas set at different temperatures. In addition, it features a luxurious setup that includes three cold plunge baths, including a flowing cold bath using well water. After the sauna, you can relax in the outdoor air and even lie down on the wood deck while gazing at the starry sky. The building also houses Kawaraza, a theater where you can enjoy popular traditional plays, making this a facility where hot springs and entertainment come together for a full day of fun.
TypeNatural Hot Spring
An iodide-sodium-chloride strong brine cold mineral spring. This highly concentrated source holds seawater trapped since ancient times. With a bathing sensation that clings to the skin, it is also renowned as a beauty bath, and strong antibacterial and warming effects can be expected.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity20people
An authentic far-infrared dry sauna. With no TV and background music playing inside, you can take your time and work up a deep sweat while facing yourself. The calm design has a classic atmosphere.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity2people
A flowing cold bath using well water. There are multiple baths, with a wide variety of styles, including deep wooden bathtub types. The water quality is excellent, and it offers a luxurious spec that quickly tightens your body after the sauna.
Closed Days: None
6075-3 Yasuda, Agano City, Niigata Prefecture 959-2221 Yasuda Onsen Yasuragi
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