Hotel offer: free sauna

30/04-25/06/2026: enjoy a free day’s entry to our public baths on Monday, Tuesday, Wednesday or Thursday when booking an overnight stay at our wellness hotel.

Give yourself a pampering treat: a wellness stay that is all about you. Escape your busy life for a while and fully unwind. Thanks to this offer, you enjoy a wonderful overnight stay with super delicious breakfast at our wellness hotel and a free day of sauna and wellness at our green estate. Sound good? Start planning your wellness moment now, we look forward to seeing you soon!

Your advantage:

A free day’s entry to our public baths worth 32.90 euros per person

Make a reservation?

Ready to book this offer now? Call +32 2 270 81 96 to book this package or use our contact page.

Conditions:

This offer runs from 30/04/2026 to 31/07/2026 inclusive, with overnight hotel stay on Sunday, Monday, Tuesday, Wednesday or Thursday.

You will need to use your free day’s entry on Monday, Tuesday, Wednesday or Thursday.

This offer is not valid on public holidays, so not on Thursday 14 May 2026 and Monday 25 May 2026.

This offer can’t be combined with other offers, promotions or fixed packages. Only valid at Thermae Grimbergen.

Gift voucher:

This offer is not available as a gift voucher.

Frequently asked questions:

How long can I stay in the public baths? Is there a time limit? No, there is no time limit. Our public baths are open from 10:30 to 23:00. You can stay in the public baths from the minute they open until they close, if you want.

Can I book additional treatments? Of course you can. But do mention what treatments you would like to have when booking so we can schedule them for you.

Can I take the bath linen that is in my room to the public baths? No, the bath linen in your room is to be used in the room only. For the public baths, you should either bring your own bath linen from home or hire a set at the reception desk of our wellness centre.