One of the largest open-air baths in Tokyo, auto löyly, and an urban oasis with outstanding value for money
Tokyo Edogawa City
Yudokoro Kasai Super Sento is a bathing facility in Edogawa, Tokyo, featuring one of the largest open-air baths in the city. Its renovated löyly sauna, updated in 2019, is hugely popular with sauna enthusiasts for its powerful auto löyly experience that drives intense sweating. Other highlights include a steam sauna blended with natural herbs and an open-air relaxation area where you can enjoy fresh air. With 10 types of baths, including a carbonated bath and a radium mineral bath, this urban oasis lets you refresh all day at a reasonable price.
TypeArtificial Hot Spring
An artificial hot spring that makes use of the power of radium ore. It has excellent heat retention, and by warming you from the core, it helps activate metabolism and promote the elimination of waste products. Located in the open-air area, it lets you soak slowly while feeling the outside air, thoroughly easing away daily fatigue.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity30people
This large signature sauna room was renovated in 2019. It is equipped with auto löyly, and the hot steam released at regular intervals quickly raises the room temperature, encouraging powerful sweating. A large TV, rare for saunas in Tokyo, is also installed, so you can relax and enjoy the heat while refreshing yourself.
Sauna TypeSteam Sauna
Capacity10people
A steam sauna lavishly blended with natural herbs such as sage and lavender. The comfortable temperature puts less strain on the body, and you can enjoy deep relaxation while surrounded by the scent of herbs. It is also expected to have skin-beautifying benefits and is especially popular with women as a soothing space.
Water QualityTap Water
Capacity6people
A crisp, cold plunge bath that instantly cools down your body after sauna use. It is spacious enough to efficiently bring down the heat raised in the löyly sauna. It is an important step toward totonou, leading into fresh-air bathing in the open-air area afterward.
Closed Days: None
〒134-0084 Tokyo, Edogawa City, Higashi-Kasai 9-3-5
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
One of the largest open-air baths in Tokyo, auto löyly, and an urban oasis with outstanding value for money
Tokyo Edogawa City
Yudokoro Kasai Super Sento is a bathing facility in Edogawa, Tokyo, featuring one of the largest open-air baths in the city. Its renovated löyly sauna, updated in 2019, is hugely popular with sauna enthusiasts for its powerful auto löyly experience that drives intense sweating. Other highlights include a steam sauna blended with natural herbs and an open-air relaxation area where you can enjoy fresh air. With 10 types of baths, including a carbonated bath and a radium mineral bath, this urban oasis lets you refresh all day at a reasonable price.
TypeArtificial Hot Spring
An artificial hot spring that makes use of the power of radium ore. It has excellent heat retention, and by warming you from the core, it helps activate metabolism and promote the elimination of waste products. Located in the open-air area, it lets you soak slowly while feeling the outside air, thoroughly easing away daily fatigue.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity30people
This large signature sauna room was renovated in 2019. It is equipped with auto löyly, and the hot steam released at regular intervals quickly raises the room temperature, encouraging powerful sweating. A large TV, rare for saunas in Tokyo, is also installed, so you can relax and enjoy the heat while refreshing yourself.
Sauna TypeSteam Sauna
Capacity10people
A steam sauna lavishly blended with natural herbs such as sage and lavender. The comfortable temperature puts less strain on the body, and you can enjoy deep relaxation while surrounded by the scent of herbs. It is also expected to have skin-beautifying benefits and is especially popular with women as a soothing space.
Water QualityTap Water
Capacity6people
A crisp, cold plunge bath that instantly cools down your body after sauna use. It is spacious enough to efficiently bring down the heat raised in the löyly sauna. It is an important step toward totonou, leading into fresh-air bathing in the open-air area afterward.
Closed Days: None
〒134-0084 Tokyo, Edogawa City, Higashi-Kasai 9-3-5
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