overview opening hours admission Experience a unique sauna session aboard the Avoid boat moored at Rašínovo nábřeží (Rašínovo Embankment). These original river spa facilities on the Náplavka offer a classic Finnish sauna for up to 16 people, a relaxation room with a view of Prague Castle, a changing room, shower, and a cooling tub on the deck. The brave can cool off with a dip in the Vltava River. Refreshments and drinks are also available. opening hours november—march mon—sun 18:00—22:00 more about opening hours admission basic 60 min. 190 CZK more about admission admission basic 60 min. 190 CZK opening hours november—march mon—sun 18:00—22:00