
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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The salt room also features a unique, healing microclimate. The walls, ceiling and floors are covered with mineral salt stones and salt grains from the Himalayas using combinations of different types of salt.
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In addition, medicinal salt is sprayed during the session. This drug-free and 100% natural method of treatment helps to ease the symptoms of respiratory and skin diseases, and strengthens the natural immune system.
The salt room is also kept warm thanks to far Infrared therapy, which makes use of an infrared spectrum that is not visible to the naked eye yet offers the same benefits as regular infrared rays. It raises your body temperature slightly, which stimulates your body's blood flow, reduces muscle tension, and improves the elasticity of your skin.

- 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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