Sauna on 15 August

Not in the mood for crowds on this holiday? Treat yourself to a relaxing day at our green sauna estate, as Thermae Grimbergen is open on Saturday 15 August 2026 from 10:30 a.m. to midnight!

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What do you enjoy doing on a public holiday? Choose a day without a clock, without rush. A day where nothing is required and relaxation is allowed. A day filled with special experiences. There’s no better place for that than Thermae Grimbergen. Settle into a lounger in the garden, enjoy the warmth of the sauna and cool down afterwards in the natural swimming pond. With us, everything is about slowing down.

Enjoy a massage on the holiday

Complete your wellness moment with a relaxing body massage or a hydrating facial treatment. There’s plenty to choose from: treatments from 25 to 100 minutes, so there’s something for everyone.
Don’t forget to book in advance to secure your spot. You can do so by calling 02 270 81 96 or by filling in our contact form. Our thermal baths are open on Saturday 15 August from 10:30 a.m. to midnight, and massages or treatments can be booked from 10:30 a.m. to 10 p.m. See you then.