Bordered by the Ourthe on one side and the Bief du Moulin (a backwater of the Ourthe), the island of l’Oneux consists of 6 hectares ringed by tall...Read more
L’Alouette is a quarry, now abandoned, on land that forms part of the village of Menil-Favay, and was first worked in 1899. Unlike the region’s...Read more
The Caves of Hotton were discovered by chance in 1958 in the eastern working face of the Hampteau quarry when blasting uncovered a highly concretionary...Read more
The Isbelle resurgence can only be accessed by divers. It is a visible sign of an underground river most of which is still unknown to humankind. The...Read more
This is the tunnel that will take you the entrance of the Fond des Vaulx (see map). Justbefore the tunnel, at the foot of the railway embankment, you...Read more
This is more or less the halfway point on the Fond des Vaulx route and here we find the most iconic karst phenomenon of all: the Trotti aux Fosses chasm,...Read more
The Fré Djame hole or the Brother William hole, is named after a monk that is said to have lived there as a hermit in times gone by. It is perched...Read more