The saunarium of Fabryka Wody, the aquapark built on the site of the old Gontynka bathing area, spreads over three levels and 2,500 m² with 13 saunas and steam baths, among them desert, castle, fireplace, Slavic, volcanic, cinema and hammam rooms. Sauna masters run rituals, and guests cool off in a snow grotto and cold plunge pools or on the roof terrace. The zone is adults-only and textile-free, open daily 12:00–22:00; one hour costs 55 PLN.