
National Sauna Week: wellness with great prizes
- Promo - Promo
From Monday 14 to Friday 18 September 2026, the Belgian Sauna Association is organising National Sauna Week. And of course, Thermae Boetfort and Thermae Grimbergen are taking part too!
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An Aufguss session is always led by one of our sauna masters. Usually he/she will stand in the middle of the sauna to fan with a damp towel, which raises the wind chill significantly. In other words, you will sweat during an Aufguss session.
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Is it your first time? Don’t be a hero but listen to your body. If you can’t stand the heat, don’t be ashamed to leave the Aufguss session early. Off course we do have a few more tips for you up our sleeve:
Finally, and we can’t stress this enough: Enjoy and relax, but above all, listen to your body.

- Promo - Promo
From Monday 14 to Friday 18 September 2026, the Belgian Sauna Association is organising National Sauna Week. And of course, Thermae Boetfort and Thermae Grimbergen are taking part too!

- Promo - Promo
Visit Thermae Boetfort or Thermae Grimbergen in August and receive an exclusive voucher! This voucher lets you bring someone along to our sauna and wellness centre for free between 1 September and 16 October 2026.

- Sauna experience - Sauna experience
Not in the mood for crowds on this holiday? Treat yourself to a relaxing day at our green sauna estate, as Thermae Grimbergen is open on Saturday 15 August 2026 from 10:30 a.m. to midnight!
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