
National Sauna Week: wellness with great prizes
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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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There are a few unwritten rules that ensure everyone enjoys their sauna visit. This includes leaving your mobile phone at home or in your locker. That way, you, and the other sauna visitors, won’t get disturbed.
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Start the day with a shower, so you are completely clean when you enter the sauna and your sweat doesn’t smell. You also need to have a shower after every sauna session and toilet visit.
Make sure your whole body is positioned on a towel in the sauna. This stops your sweat from penetrating the wooden benches and ensures that the person after you has a clean place in the sauna.
Respect the quiet in the sauna. If you want to talk, visit our whisper sauna.
Respect the dress code. You must wear swimwear in the swimwear section and in the nude section, our wellness facilities are to be enjoyed in the nude.
Staring is rude, not only when standing in line at the bakery, but definitely when you and everyone else around you is naked in the shower or sauna.
Don’t sit too close to another guest, keep a respectful distance.
Treat our staff and your fellow sauna-goers with respect.
There is no place for consensual sexual contact or unwanted sexual advances in a public sauna. Anyone caught will be banned from our centre.
Finally: do you have any medical conditions or are you pregnant? Make sure to check with your doctor first to see whether it is okay for you to have a sauna.

- 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.

- Aufguss - Aufguss
A good Aufguss session is so much more than heat and scent. It is a carefully crafted sauna ritual that takes you on a unique journey.
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