The miraculous blended water Tsuki no Shizuku and a soft underground-water cold plunge bath
Wakayama Hashimoto City
"Natural Hot Spring Yunosato" is a bath facility in Hashimoto City, Wakayama Prefecture that is meticulously committed to water quality. It uses multiple types of water in carefully separated ways, including sterile underground water called Kinsui and spring water called Ginsui, and its blended Tsuki no Shizuku is famous. The bath area is equipped with a Rocky sauna with auto löyly and a steam sauna. After sauna, you can gently cool down in a soft-feeling bubbly cold plunge bath made with underground water. With high-quality water and hot springs, it offers an experience that feels purifying from the inside out.
TypeNatural Hot Spring
A carefully crafted bath area that makes use of multiple waters and hot springs with different characteristics, including Ginsui, a spring water that rises from deep underground. In particular, the Tsuki no Shizuku bath, blended from Kinsui and Ginsui, has a smooth texture that seems to sink right into the skin, and its pleasant warmth and moisture continue even after bathing.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity10people
A Rocky sauna equipped with convection stone. Regularly activated auto löyly keeps the humidity at a comfortable level, and while the temperature setting is mild, it still promotes solid perspiration. With less feeling of stuffiness, you can relax and enjoy your sauna time in pleasant heat.
Sauna TypeSteam Sauna
Capacity5people
A steam sauna wrapped in abundant steam. Even people who are not fond of dry saunas can enjoy it easily, and it warms the body gradually while adding plenty of moisture to the skin and hair. This is a relaxation space that gently eases tension in both body and mind with its soft heat.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity4people
A cold plunge bath using high-quality underground water, one of the facility's proud specialties. The bubbly bubbles gently stimulate the body, and because the temperature is mild, even people who do not like very cold cold plunge baths can soak comfortably for a long time. Its soft water quality is a superb cooling experience that feels gentle on the skin.
Closed Days: Wednesday
898 Jinono, Hashimoto City, Wakayama 648-0086
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
The miraculous blended water Tsuki no Shizuku and a soft underground-water cold plunge bath
Wakayama Hashimoto City
"Natural Hot Spring Yunosato" is a bath facility in Hashimoto City, Wakayama Prefecture that is meticulously committed to water quality. It uses multiple types of water in carefully separated ways, including sterile underground water called Kinsui and spring water called Ginsui, and its blended Tsuki no Shizuku is famous. The bath area is equipped with a Rocky sauna with auto löyly and a steam sauna. After sauna, you can gently cool down in a soft-feeling bubbly cold plunge bath made with underground water. With high-quality water and hot springs, it offers an experience that feels purifying from the inside out.
TypeNatural Hot Spring
A carefully crafted bath area that makes use of multiple waters and hot springs with different characteristics, including Ginsui, a spring water that rises from deep underground. In particular, the Tsuki no Shizuku bath, blended from Kinsui and Ginsui, has a smooth texture that seems to sink right into the skin, and its pleasant warmth and moisture continue even after bathing.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity10people
A Rocky sauna equipped with convection stone. Regularly activated auto löyly keeps the humidity at a comfortable level, and while the temperature setting is mild, it still promotes solid perspiration. With less feeling of stuffiness, you can relax and enjoy your sauna time in pleasant heat.
Sauna TypeSteam Sauna
Capacity5people
A steam sauna wrapped in abundant steam. Even people who are not fond of dry saunas can enjoy it easily, and it warms the body gradually while adding plenty of moisture to the skin and hair. This is a relaxation space that gently eases tension in both body and mind with its soft heat.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity4people
A cold plunge bath using high-quality underground water, one of the facility's proud specialties. The bubbly bubbles gently stimulate the body, and because the temperature is mild, even people who do not like very cold cold plunge baths can soak comfortably for a long time. Its soft water quality is a superb cooling experience that feels gentle on the skin.
Closed Days: Wednesday
898 Jinono, Hashimoto City, Wakayama 648-0086
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