An exceptional lukewarm bath embraced by the nature of Iga, with 100% free-flowing source water
Mie Iga City
"Shimogahara Onsen Yabuccha no Yu" is a day-trip hot spring facility in a lush natural setting in Iga City, Mie Prefecture. The gender-swapping baths feature a dry sauna with mountain views from the windows and a cold plunge bath. Its greatest appeal is the isotonic sodium chloride and sodium bicarbonate hot spring, whose composition is close to that of human body fluids. In particular, the source bath offers fresh 100% free-flowing spring water with no added water, heating, circulation, or disinfection. With an exceptional lukewarm bath that leaves your skin feeling smooth and the sauna, you can relax deeply in both body and mind.
TypeNatural Hot Spring
A sodium chloride and sodium bicarbonate hot spring gushing up from underground. This isotonic spring has nearly the same osmotic pressure as human body fluids, so it is gentle on the body and easy to soak in for a long time. When you bathe in it, you can enjoy a uniquely smooth feeling as it leaves your skin feeling silky.
TypeNatural Hot Spring
A luxurious bath filled with 100% free-flowing spring water, with no added water, heating, circulation, or disinfection at all. At an exquisite lukewarm temperature of around 36°C, close to thermoneutral, you can feel the fresh hot spring minerals that have just emerged from the source directly on your skin, creating a comfort that makes you want to stay in the water forever.
Sauna TypeDry Sauna
Capacity6people
A dry sauna installed in the gender-swapping baths. In this quiet space without a TV, you can look out through the windows at Iga's beautiful mountain range and natural scenery. It is also equipped with an auto-löyly function, creating an environment where you can work up a pleasant sweat at a comfortable humidity level.
Water QualityTap Water
Capacity2people
A cold plunge bath located right next to the sauna room. It is deep enough to fully submerge your body for efficient cooling down. The water temperature changes with the seasons, and in winter it feels especially crisp and cold. It is also ideal for alternating between sauna sessions and the famous hot spring.
Closed Days: Tuesday
〒519-1711 13680 Shimogahara, Iga City, Mie Prefecture
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
An exceptional lukewarm bath embraced by the nature of Iga, with 100% free-flowing source water
Mie Iga City
"Shimogahara Onsen Yabuccha no Yu" is a day-trip hot spring facility in a lush natural setting in Iga City, Mie Prefecture. The gender-swapping baths feature a dry sauna with mountain views from the windows and a cold plunge bath. Its greatest appeal is the isotonic sodium chloride and sodium bicarbonate hot spring, whose composition is close to that of human body fluids. In particular, the source bath offers fresh 100% free-flowing spring water with no added water, heating, circulation, or disinfection. With an exceptional lukewarm bath that leaves your skin feeling smooth and the sauna, you can relax deeply in both body and mind.
TypeNatural Hot Spring
A sodium chloride and sodium bicarbonate hot spring gushing up from underground. This isotonic spring has nearly the same osmotic pressure as human body fluids, so it is gentle on the body and easy to soak in for a long time. When you bathe in it, you can enjoy a uniquely smooth feeling as it leaves your skin feeling silky.
TypeNatural Hot Spring
A luxurious bath filled with 100% free-flowing spring water, with no added water, heating, circulation, or disinfection at all. At an exquisite lukewarm temperature of around 36°C, close to thermoneutral, you can feel the fresh hot spring minerals that have just emerged from the source directly on your skin, creating a comfort that makes you want to stay in the water forever.
Sauna TypeDry Sauna
Capacity6people
A dry sauna installed in the gender-swapping baths. In this quiet space without a TV, you can look out through the windows at Iga's beautiful mountain range and natural scenery. It is also equipped with an auto-löyly function, creating an environment where you can work up a pleasant sweat at a comfortable humidity level.
Water QualityTap Water
Capacity2people
A cold plunge bath located right next to the sauna room. It is deep enough to fully submerge your body for efficient cooling down. The water temperature changes with the seasons, and in winter it feels especially crisp and cold. It is also ideal for alternating between sauna sessions and the famous hot spring.
Closed Days: Tuesday
〒519-1711 13680 Shimogahara, Iga City, Mie Prefecture
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