
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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If you are staying at the Thermae Grimbergen Hotel, you simply must visit the Grimbergse Beekvalleien nature reserve, with several great walks to explore.
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The Grimbergse Beekvalleien nature reserve is managed by nature organisation Natuurpunt and is home to a wealth of trees and plants. Five different routes have been laid out to take you along orchards, ponds and meadows. Feeling energetic? Add on a walk through the neighbouring Lintbos or Prinsenbos woods!
Grimbergse Beekvalleien – Five different walks that start at the Charleroyhoeve, a former abbey farm (Lierbaan 16, Grimbergen), ranging from 3.63km to 6.85km. You can find the routes mapped out in the yard of the Charleroyhoeve. Take a picture before you set off and you won’t get lost!
After a wonderful walk, you can catch your breath in our public baths. Did you know that our hotel guests enjoy 50% off the normal admission price after 5 PM? Facilities at our public baths include a wide range of saunas and wellness baths, and every day, you can take part in our extensive wellness programme with various Aufguss, scrubbing and relaxation sessions. What’s more, our wellness resort is divided into two separate areas; a swimwear and a nude area, so you can enjoy your sauna and wellness just the way you like it, in swimwear or in the nude.
At our Thermae Grimbergen Hotel, we offer several room types, from Budget to an actual Wellness Suite complete with a Finnish sauna and a wellness bath in the room. The extensive breakfast buffet is always included.
Want to find out more about all the things to see and do in the area around our hotel? Click through to our blog!

- 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