
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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What are your plans for spring break? Relax and unwind in our world-class saunas!
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Step into our natural wellness estate and leave the winter chill behind you! Explore our world-class saunas, from the Black Forest Sauna to the African Lodge, and take part in one of the many experiences we offer daily.
The Aufguss session in our traditional Kelo sauna is a must-try! During an Aufguss session, the sauna master pours water infused with essential oils over the hot stones, filling the air with a wonderful aroma and instantly raising the temperature and humidity of the room. The Aufguss sessions in our Kelo saunas are an incredible show you don’t want to miss! If you're feeling bold, cool off with a refreshing plunge in our natural swimming pond after your session.
Our daily experience programme is free for our sauna guests and consists of sauna, scrub, and relaxation sessions. On Wednesdays, our Zen master hosts several mindfulness rituals to help you reset and recharge.
See you there!
During spring break, Thermae Grimbergen is open every day: from 10:30 am to 11 pm on Sunday to Thursday and until midnight on Friday and Saturday.
Discover our special package deals and choose the wellness experience that works for you!

- 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!

- Aufguss - Aufguss
Heat and scent come together in one intense wellness moment. But what exactly is an Aufguss session? Find out how our sauna masters prepare this sauna ritual and how these sessions affect you!

- Saunavacation - Saunavacation
Fancy a mini-break without the usual hassles that come with travelling to far-flung destinations? In this blogpost, we reveal why a summer overnight stay in the wellness hotel of Thermae Boetfort just outside Brussels feels like a real pampering treat!
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Kitchen renovation from 14 to 18 September inclusive