When it's time to escape from all that exhausting sightseeing, unwind in the sun at Genval Lake. Pack a picnic or your favorite book ... This is the place to unwind!
To visit this body of water, make tracks to Groene Gordel. You'll find loads of other things to see and do in this area, such as Walibi Belgium, Musée Hergé, and Catholic University of Louvain.