Wallonia has more than 15 caves open to the public. Spectacular stalactites and stalagmites are essential viewing for the caving enthusiast and the curious amateur alike.
- PROMOHan-sur-lesseGrottoes and caves
The Caves of HanCome and explore the world-famous underground caves of Han-sur-Lesse, near Rochefort. The Michelin guide has awarded the site 3 stars in its travel guide fo Wallonia.
- DinantGrottoes and caves
La Merveilleuse, a grotto in DinantDiscovered in 1904, "La Merveilleuse" is considered one of the most beautiful grottos in Belgium.