Outdoor saunas in Bonn, Germany
monte mare Rheinbach
monte mare Rheinbach is a sauna and leisure-pool complex south-west of Bonn, styled after 1001 Nights. Its eight heat rooms include a 60 m² Theatersauna with light, mist and video Aufgüsse, a Kelo-wood Teichsauna, an Erdsauna at 90–95 °C and a Gartensauna for up to 200 people, plus infrared, steam and a 13–15 °C plunge pool. The sauna area is textile-free. A weekday day ticket costs 42.50 € and includes the pool; open daily from 9:30 AM.
Saunapark Siebengebirge
Saunapark Siebengebirge is a family-run sauna park at the edge of the Siebengebirge woods in Königswinter, across the Rhine from Bonn. It has six saunas and an Irish-Roman steam bath, among them a log-cabin Waldsauna by the Lützbach, a herbal sauna and a 100 °C dry sauna, with up to 26 Aufgüsse a day. Guests cool off in the stream's icy Kneipp course, and the sauna area is textile-free. From 1 November 2026 two hours cost 27 € and a full day 36 €.
monte mare Rheinbach
monte mare Rheinbach is a sauna and leisure-pool complex south-west of Bonn, styled after 1001 Nights. Its eight heat rooms include a 60 m² Theatersauna with light, mist and video Aufgüsse, a Kelo-wood Teichsauna, an Erdsauna at 90–95 °C and a Gartensauna for up to 200 people, plus infrared, steam and a 13–15 °C plunge pool. The sauna area is textile-free. A weekday day ticket costs 42.50 € and includes the pool; open daily from 9:30 AM.
Saunapark Siebengebirge
Saunapark Siebengebirge is a family-run sauna park at the edge of the Siebengebirge woods in Königswinter, across the Rhine from Bonn. It has six saunas and an Irish-Roman steam bath, among them a log-cabin Waldsauna by the Lützbach, a herbal sauna and a 100 °C dry sauna, with up to 26 Aufgüsse a day. Guests cool off in the stream's icy Kneipp course, and the sauna area is textile-free. From 1 November 2026 two hours cost 27 € and a full day 36 €.