
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
Pure relaxation is always at the heart of what we do, and that’s no different on public holidays. Thermae Boetfort is open on 15 August, the perfect day to slow down completely. Will you choose peace, warmth and pure indulgence on this holiday?
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