Thermae Grimbergen
A family-run sauna and spa complex on the edge of Grimbergen, with nine saunas split between a nude section (Aquarius) and a separate swimwear section (Sabai). The nude garden has a natural swimming pond beside a wood-fired panoramic sauna, and the Roman steam bath has a bubbling champagne bath in the middle.
WhatSpa bath, GrimbergenBrussels
WhenOpen all yearNatural swimming pond in the nude garden for a cold dip after the Wood Sauna
Hot roomsSauna included in the entry, steam room included in the entryNude area: Wood sauna 80 to 85 °C, Celestine sauna 65 °C, African Lodge sauna 55 °C, Tibet sauna 60 °C, Kelo sauna 85 °C, herbal sauna 70 °C, Black Forest sauna 85 °C. Swimwear area: Terracotta sauna 70 °C, Sauna Mediterrana 75 °C
Getting there Car
CostEntry to the public baths (Mon to Fri)€35.90As of Oct 2026
AccessPhones and cameras not allowed in the baths.10+
Getting in
- Address
- Wolvertemsesteenweg 74, 1850 Grimbergen
Entry, hours and rules
- Entry
- Entry to the public baths (Mon to Fri) (whole day; walk-in, cannot be booked in advance)€35.90
- Entry to the public baths (Sat, Sun, public holidays, long weekends) (whole day; walk-in, cannot be booked in advance)€38.90
- Multi-access card (10) Thermae Grimbergen (10 entries)€325
- Hours
- Mon10:30-23:00
- Tue10:30-23:00
- Wed10:30-23:00
- Thu10:30-23:00
- Fri10:30-00:00
- Sat10:30-00:00
- Sun10:30-23:00
- Swimwear and rules
- Two separate sections on one ticket, every day: Aquarius is the nude area, where "swimwear is strictly forbidden"; Sabai is the swimwear area. Only the changing area is shared, with a private cubicle in every row of lockers. Men in the swimwear area wear short, fitted trunks only; women wear a bikini or swimsuit. Sit on a full body-length towel in the saunas. Mixed throughout; no single-sex sessions published.
- Children
- 10 and over. Children from 10 with a parent or guardian, who signs a declaration on arrival; the child needs proof of age (Kids-ID, passport or birth certificate).
- Tickets
- Day ticket, no time slot
- Official site
- thermae.com
- Facilities
- Changing roomsShowersLockersRestaurantCaféSaunaSteam roomIndoor poolOutdoor poolParkingNaturist areaTowel hireSwimsuit hire
More places near Grimbergen
Thermal baths in Grimbergen · Brussels · Thermal baths in Belgium