These are the saunas where the cold plunge is part of the design, not an afterthought. On-site tubs, troughs, or dip pools mean the hot–cold–rest cycle is available every session without planning the open-water swim yourself. Plan 90 minutes minimum to run the cycle properly rather than rushing a single long sit.
In Switzerland, 30 of the curated saunas fit this cut. See the full Switzerland country guide for every venue, or keep scrolling for just the saunas with a cold plunge.
Every sauna with a cold plunge in Switzerland

Bains des 3 jetées
under CHF25Nyon, Switzerland

Bains des Rives
under CHF25Lausanne, Switzerland

Bogn Engiadina
CHF25–50Scuol, Switzerland

Hallen- und Seebad
CHF25–50Schmerikon, Switzerland

Holzersauna
CHF25–50Sachseln, Switzerland

Hotel Bad Serneus
CHF25–50Serneus, Switzerland
Les Bains de Cressy
under CHF25Confignon, Switzerland

Les Bains de Lavey
CHF50–100Lavey-Morcles, Switzerland

Rhysauna Schaffhausen
CHF25–50Schaffhausen, Switzerland

Riversong Centre Thermal
CHF25–50Bex, Switzerland

Sauna & Thermalbad Schinznach Bad
CHF25–50Brugg, Switzerland

Sauna am Fluss
CHF25–50Zürich, Switzerland

Sauna am Rhy
CHF25–50Basel, Switzerland

Sauna am See Uster
CHF25–50Uster, Switzerland

Sauna de la Motta
CHF25–50Fribourg, Switzerland

Sauna Etana
CHF25–50La Neuveville, Switzerland

Sauna les P'tits Baigneurs
under CHF25Boudry, Switzerland

Saunaboot Luzern
CHF50–100Lucerne, Switzerland

Saunaboot Thunersee
CHF50–100Thun, Switzerland

Saunaboot Zürich
CHF50–100Zürich, Switzerland

Saunalps
CHF25–50Grône, Switzerland

Seebad Enge
CHF25–50Zürich, Switzerland

Seesauna Stäfa
CHF25–50Stäfa, Switzerland

Solbad & Spa Schönbühl
CHF25–50Urtenen-Schönbühl, Switzerland

Solbadhotel Sigriswil
CHF50–100Sigriswil, Switzerland
Squash-Sauna-Wellness
under CHF25Goldach, Switzerland

Tamina Therme
CHF50–100Bad Ragaz, Switzerland

Thermalbad Brigerbad
CHF25–50Brig-Glis, Switzerland

Therme Zurzach
CHF25–50Zurzach, Switzerland

Weiere Sauna
CHF25–50St. Gallen, Switzerland

