A soothing moment with a beauty bath bubbling up from 1,200m underground and a variety of saunas
Saitama Koshigaya City
"Yuno Hana Koshigaya Branch" is a day-use bath facility in Koshigaya City, Saitama Prefecture, known for its natural hot spring rich in beneficial minerals. The sodium chloride and sodium bicarbonate spring that gushes up from 1,200m underground is beloved as a bijin no yu, or beauty bath, for leaving the skin smooth and supple. The sauna area features different styles on the first floor's Yamase no Yu and the second floor's Hanakaido, including dry saunas and medicinal herb saunas. In particular, the cold plunge bath on the second floor is set at a crisp, bracing temperature that instantly firms up your overheated body after a sauna session. The open-air area includes stone baths and reclining baths, allowing you to fully enjoy the famed spring in an open setting and refresh both body and mind at this locally rooted hot spring spot.
TypeNatural Hot Spring
A sodium chloride and sodium bicarbonate hot spring that gushes up from 1,200m underground. Rich in metasilicic acid, it is known as a bijin no yu for leaving the skin smooth and supple. In the open-air stone bath, you can fully enjoy the appeal of the natural spring in an open setting.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity12people
A dry sauna that gently warms your body all the way to the core with the help of far-infrared heat. Steady warmth fills the room and encourages a comfortable sweat. You can relax and enjoy your sauna time in a spacious setting while watching TV.
Sauna TypeSteam Sauna
Capacity6people
A low-temperature sauna on the second floor's Hanakaido, filled with the aroma of medicinal herbs. Its mild temperature lets you relax slowly without putting strain on your body. Steam containing herbal ingredients wraps around your entire body, creating a space that soothes both body and mind.
Water QualityTap Water
Capacity4people
A cold plunge bath with a sharp, refreshing chill. It instantly tightens your overheated body after a sauna session and guides you into an invigorating cool-down. A popular facility for serious sauna enthusiasts who want a crisp, bracing cold bath.
Closed Days: None
343-0844 3-61-1 Omanocho, Koshigaya City, Saitama 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
A soothing moment with a beauty bath bubbling up from 1,200m underground and a variety of saunas
Saitama Koshigaya City
"Yuno Hana Koshigaya Branch" is a day-use bath facility in Koshigaya City, Saitama Prefecture, known for its natural hot spring rich in beneficial minerals. The sodium chloride and sodium bicarbonate spring that gushes up from 1,200m underground is beloved as a bijin no yu, or beauty bath, for leaving the skin smooth and supple. The sauna area features different styles on the first floor's Yamase no Yu and the second floor's Hanakaido, including dry saunas and medicinal herb saunas. In particular, the cold plunge bath on the second floor is set at a crisp, bracing temperature that instantly firms up your overheated body after a sauna session. The open-air area includes stone baths and reclining baths, allowing you to fully enjoy the famed spring in an open setting and refresh both body and mind at this locally rooted hot spring spot.
TypeNatural Hot Spring
A sodium chloride and sodium bicarbonate hot spring that gushes up from 1,200m underground. Rich in metasilicic acid, it is known as a bijin no yu for leaving the skin smooth and supple. In the open-air stone bath, you can fully enjoy the appeal of the natural spring in an open setting.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity12people
A dry sauna that gently warms your body all the way to the core with the help of far-infrared heat. Steady warmth fills the room and encourages a comfortable sweat. You can relax and enjoy your sauna time in a spacious setting while watching TV.
Sauna TypeSteam Sauna
Capacity6people
A low-temperature sauna on the second floor's Hanakaido, filled with the aroma of medicinal herbs. Its mild temperature lets you relax slowly without putting strain on your body. Steam containing herbal ingredients wraps around your entire body, creating a space that soothes both body and mind.
Water QualityTap Water
Capacity4people
A cold plunge bath with a sharp, refreshing chill. It instantly tightens your overheated body after a sauna session and guides you into an invigorating cool-down. A popular facility for serious sauna enthusiasts who want a crisp, bracing cold bath.
Closed Days: None
343-0844 3-61-1 Omanocho, Koshigaya City, Saitama 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