Black Friday hotel offer
Book an overnight stay at the wellness hotel of Thermae Grimbergen between 16/11 and 4/12/2026 and get 1 free day entry to the public baths (on Monday, Tuesday, Wednesday or Thursday).
With this special Black Friday offer, you are treating yourself to some extra-long me-time. Right now, we are giving you one free day entry to our saunas and wellness baths with international vibe when you book an overnight stay at our Thermae Grimbergen Hotel. So, retreat to our green oasis, embrace the warmth of the saunas and leave all the busyness far behind …
Please note: bath linen is not included in this package. You can either bring your own or hire some at reception upon arrival. It costs 15 euros to hire a set (includes bathrobe, towel and spa slippers).
Your advantage:
A free day entry to our public baths for the value of 35.90 euros per person.
Make a reservation?
Ready to book the Black Friday hotel package now? *Call +32 2 270 81 96 to book or use our contact page.
Conditions:
This offer runs from 16/11/2026 to 04/12/2026 inclusive with overnight stay on Sunday, Monday, Tuesday, Wednesday or Thursday.
The offer’s free day entry to the public baths can only be used on Monday, Tuesday, Wednesday or Thursday.
This offer cannot be combined with other offers, discounts, promotions or fixed arrangements of Thermae Grimbergen. This offer is not available as a gift voucher.
This offer is only valid when you book directly with us. To book, call +32 2 270 81 96 or use the contact form on our website.
Only valid at Thermae Grimbergen.
Frequently asked questions:
On what days can I use the free entry to the public baths?
Your free day entry to the public baths of Thermae Grimbergen is valid on Monday, Tuesday, Wednesday or Thursday. It can’t be used on Friday, Saturday or Sunday.
Does the free entry also apply if I book a room for 3 or 4 people?
Yes, the hotel offer applies per room. Sharing the room with 3 or 4 people? All registered hotel guests get one free day entry to the public baths in accordance with the terms and conditions of the offer.
Does my hotel stay have to take place between 16 November and 4 December 2026?
Yes. Both your booking and your stay at Thermae Grimbergen have to happen between the offer period of 16 November to 4 December 2026 inclusive. Also, your overnight stay should be on a Sunday, Monday, Tuesday, Wednesday or Thursday.
Can I visit the public baths on the day of my arrival or departure?
Your choice. You can use the free day entry on the day of your arrival or departure, provided your visit to the public baths is on a Monday, Tuesday, Wednesday or Thursday.
I want to visit the public baths two days, are both days free?
Of course, you can visit the public baths two days but only one of these days is free. You will have to pay for the other day. Tip: hotel guests enjoy 50% off the entry fee after 17:00 on the day of arrival.
How long can I stay in the public baths with the free day entry?
It’s up to you how long you want to stay in the public baths. On Monday, Tuesday, Wednesday and Thursday, Thermae Grimbergen is open from 10:30 to 23:00. So, within this time frame, you have plenty of time to enjoy the sauna and wellness facilities.
Do I have to book my visit to the public baths in advance
No. You don’t have to book your visit to the public baths for a specific time. You decide when to use the free day entry during your stay. Obviously, you do have to book your hotel room in advance.
What is the swimwear dress code in the public baths?
For men, the swimwear dress code is short, tight-fitting swimming briefs. Loose swimming shorts are prohibited for hygiene reasons.
Women can wear a swimsuit or bikini. The swimsuit must have an open neckline, be sleeveless and legless.
Read more? Click here for our tips on the swimwear dress code at Thermae Grimbergen.
Is the hotel offer valid on all room types of Thermae Grimbergen?
Yes. As part of this offer, you have a choice of our Budget, Classic and Deluxe rooms and the Wellness Suite, provided your booking meets the terms and conditions of the offer and is not combined with another discount, offer or fixed package with overnight stay.
What happens to my free entry if I change my hotel booking?
Does the new date fall within the offer period of 16 November to 4 December 2026 inclusive? In this case, the offer remains valid provided your new booking meets all the terms and conditions of the offer and your free visit to the public baths happens on Monday, Tuesday, Wednesday or Thursday.
Does the new date of your stay or visit to the public baths fall outside the offer period? Then, the free day entry will no longer be valid.
What happens to the free day entry if I cancel my hotel booking?
If you cancel your hotel booking, the free day entry to the public baths will also be cancelled. The value of this free day entry will not be paid out in cash, exchanged for a gift voucher or reimbursed in any other way.
Also get to know these other promotions of Thermae Grimbergen
Want to surprise someone? Give them a Thermae Grimbergen gift voucher
100 euros = 1 free day pass*
You choose the gift voucher amount which the recipient is free to spend as they wish at both Thermae Boetfort and Thermae Grimbergen. You can put together your day of wellness to your own liking. Gift vouchers are always valid for one year.
You can fully personalise your gift voucher with a message for the recipient and a layout with your chosen design.
* The free day pass is valid for six months and can be used from Monday to Friday, except during public holidays (1/1/2027, 29/3/2027, 6/5/2027, 17/5/2027), long weekends (7/5/2027) and school holidays (from 19/12/2026 to 3/1/2027 inclusive and from 6/2/2027 to 14/2/2027 inclusive). The validity of the day passes will not be extended. The gift vouchers and day passes are valid from the day after purchase. The “free day pass” promotion runs from 9/11/2026 until 3/1/2027 inclusive.