Did you go all out in the fitness area, during one of our group lessons or on the tennis court? Then it’s time for some well-deserved relaxation! Thermae Sports Merchtem offers a wide range of wellness facilities, each with its own healing and cleansing effect on both body and mind. You will be surprised at what one hour of wellness can do for you.

Subject to prior reservation, we also offer relaxation and sports massages. Book one quickly, your muscles will be grateful!

Swimming pool

The swimming pool is located in the heart of our wellness centre. You can swim some laps, or just float around after an intensive workout. Swimming is very good for your heart and muscles, it lowers your blood pressure and cholesterol level and in addition, it helps you to sleep better.

  • The swimming pool is 18 metres long.
  • The temperature of the water is 30°C.

Infrared sauna

Adjacent to the swimming pool, you will find the infrared sauna. Infrared rays are very good to relax your muscles after sports activities. Moreover, they reduce tensions and joint aches, they are beneficial to the skin and they detoxify the body. Ideal for your body’s recovery!

  • This sauna has a temperature of 45°C.
  • It has room for 12 people.

Steam bath

The steam bath is literally a cabin filled with steam. The warm steam opens up your pores and thus cleanses the skin. In addition, the eucalyptus fragrance in this cabin is beneficial to your airways and will help to fight minor ailments such as a cold. It’s the perfect spot to get completely warmed up for a while.

  • The air humidity is almost 100%.
  • It has room for 11 people.


Outside, adjacent to the Kelo sauna, you will find the Jacuzzi. You can enjoy a wonderful underwater massage with a view of the outdoor tennis courts. The Jacuzzi relaxes the muscles, ensures better blood circulation and facilitates a good night’s sleep. The bubbles help you to completely unwind!

  • The jacuzzi is at 36°C.
  • It has room for 6 people.


In good weather, you can lie down on one of the sunbeds on our lawn. Perfect for getting some fresh air, closing your eyes for a while and enjoying those delightful sunbeams. In addition, you have a view of the outdoor tennis courts.

  • The lawn is outside, next to the Kelo sauna and the jacuzzi.
  • There are multiple sunbeds at your disposal.