The biggest sauna at Thermae Grimbergen is a traditional Finnish Kelo sauna where two Aufguss sessions are organised daily.
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The sauna with the most beautiful view in Thermae Grimbergen is without a doubt the Wood stove sauna.
Situated next to the swimming pool in the nude area of Thermae Grimbergen is the unique Herbal sauna.
This hot, fairly dry sauna looks like a typical Black Forest mountain hut!