Riela Bathhouse Madrid — Finnish Sauna & Ice Plunge

A modern reinterpretation of Roman thermae, Japanese onsen and Russian banya in Madrid's city centre. The circuit includes a Finnish sauna (90°C), a hammam (50°C), a mineral hot pool (42°C), two cold plunges (4°C and 8°C) and heated granite stone lounging. All linen, towels and slippers are provided. Sessions last 75 minutes self-guided. Mon–Thu €38/hour, Fri–Sun €45/hour. Open every day 10:00–21:00. Featured in Forbes as part of Madrid's wellness revolution. Phones not permitted in bathing areas.