Spas with cold plunge in Slovenia

Brežice, Posavje

Adults-only thermal spa inside Hotel Terme in Brežice with indoor and outdoor pools, saunas and a clothing-optional sauna zone.

Portorož, Coastal-Karst

A hotel spa at Hotel Neptun in Portorož offering sea-water and thermomineral pools, sauna, steam room and cold plunge, open to hotel guests only.

Brežice, Posavje

Adults-only sauna world at Terme Čatež in Brežice with multiple saunas, a herb garden and warm pools, run on a clothing-optional basis.

Bled, Upper Carniola

Hotel spa at Bled's Rikli Balance Hotel with six pools, six saunas and lake views, open to hotel guests only.