Powerful sauna with three HARVIA stoves and daily heat-wave-master aufguss sessions
Aichi Toyokawa City
"Korona no Yu Toyokawa Branch" in Toyokawa City, Aichi Prefecture, is a hot spring and bath facility attached to Hotel Castle Inn Toyokawa. The men’s sauna features a powerful setup with three HARVIA stoves. In addition to auto löyly, aufguss sessions by staff and guest heat wave masters are held every 30 minutes, making it extremely popular on Sauna Ikitai as well. The women’s sauna also offers aufguss. The cold plunge bath is set at a temperature that allows you to cool down thoroughly, and the outdoor bathing area has many chairs, letting you enjoy totonou while feeling a pleasant breeze. A low-temperature sauna (Kenbi Iro) is also available.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity30people
A convective stove is installed, and auto löyly is activated. Every 30 minutes, aufguss sessions by staff and guest heat wave masters are held, so you can enjoy the aroma and intense waves of heat.
Water QualityTap Water
Capacity4people
The temperature is just right for thoroughly cooling down a body that has been heated up after sauna use.
Closed Days: None
〒442-0824 Aichi Prefecture, Toyokawa City, Shimonagayamacho Kamiarai−14−1
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
Powerful sauna with three HARVIA stoves and daily heat-wave-master aufguss sessions
Aichi Toyokawa City
"Korona no Yu Toyokawa Branch" in Toyokawa City, Aichi Prefecture, is a hot spring and bath facility attached to Hotel Castle Inn Toyokawa. The men’s sauna features a powerful setup with three HARVIA stoves. In addition to auto löyly, aufguss sessions by staff and guest heat wave masters are held every 30 minutes, making it extremely popular on Sauna Ikitai as well. The women’s sauna also offers aufguss. The cold plunge bath is set at a temperature that allows you to cool down thoroughly, and the outdoor bathing area has many chairs, letting you enjoy totonou while feeling a pleasant breeze. A low-temperature sauna (Kenbi Iro) is also available.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity30people
A convective stove is installed, and auto löyly is activated. Every 30 minutes, aufguss sessions by staff and guest heat wave masters are held, so you can enjoy the aroma and intense waves of heat.
Water QualityTap Water
Capacity4people
The temperature is just right for thoroughly cooling down a body that has been heated up after sauna use.
Closed Days: None
〒442-0824 Aichi Prefecture, Toyokawa City, Shimonagayamacho Kamiarai−14−1
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