A couple of hours of relaxation in our private sauna
Gift voucher promotion: give wellness and get a free day pass*!
From 9 November 2026 to 3 January 2027 inclusive, you get 1 free day pass* for every 100 euros you spend on wellness gift vouchers. A great way to surprise someone with a wonderful moment of pure relaxation and enjoy a free extra sauna day yourself. Gift giving has never been more fun!
Buy your gift voucher online today.
* 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.
Spend real quality time together. With no other guests, with no other distractions. In the private sauna of Thermae Grimbergen, you enjoy wellness in total privacy, in a stunning unit with oriental inspired décor. Facilities include a unique combi-sauna (with infrared therapy incorporated in a traditional Finnish sauna), a Jacuzzi and a steam bath.
Our private sauna is open every day and can be booked quickly and easily online.
Make your pampering moment extra special with a snack or drink which will be served to you discreetly, add a massage or treatment after your session, or stay the night in our wellness hotel.
