Soshigaya Onsen 21 is located in the Setagaya ward of Tokyo. This neutral-pH thermal bathhouse offers an indoor bath, a rotenburo-style outdoor bath and a sauna, in a residential district of the capital.
Insider tip — Soshigaya Onsen 21 is a public onsen in Soshigaya, a residential district of Setagaya (Tokyo). Tokyo has more than 200 sento and onsen still active, fed either by deep geothermal waters (the dark-brown kuroyubu typical of the region) or by heated water. These neighbourhood baths are essential places of social connection.