Grottes de Hotton
Grottes de Hotton are less well-known than the Han Caves and are located in the little town of Hotton. The caves' entrance is situated in the middle of nowhere, close to Durbuy and La Roche-en-Ardenne. Discovered in 1958 by sheer accident, while digging out stones in the local stone quarry, these caves are considered one of the most beautiful caves in Belgium.
A guide will lead you down the stairs into the caves and explain everything there is to see and learn about the caves' discoveries. This tour lasts around an hour, and don't forget to tip the guide at the end! There is free parking just in front of the entrance, so there's no need to pay extra for that; nevertheless, I'm not sure if you could get here without one.
Location: Hotton, Belgium