Marivent Sauna is the sauna wing of the Wellness-Park Siegburg on Zeithstraße, east of Cologne. A ceremony is held every full hour in changing cabins with different scents, and the sauna range includes a Kelo log-cabin sauna. Saunas and pools are used strictly without swimwear under a declared FKK rule, and guests must bring at least two large towels, bathing sandals and a bathrobe. The restaurant area opens daily from 12:00, and from 11:00 at weekends.