Refine your search for walks in Eau Noire (rivière) - Belgique
Nismes and its geological phenomena
Walker 
15.74 km
+440 m
-441 m
5h 45
Moderate
Departure from Viroinval (Province de Namur)
Over millions of years, the action of water has carved huge chasms up to 20 metres deep into the limestone. These natural chasms are called "Fondrys". In Belgium, they are only found in the Viroin region. Discover geological curiosities and viewpoints. Explore beautiful landscapes combining rocks, rivers and limestone grasslands where numerous orchids appear in spring.