itinerary
how to find the "divers nest"
E 25 (A26) Maastricht > Liège
take N89 in Baraque de Fraiture, follow it until La Roche-en-Ardenne.
Or:
Antwerp > E19 Brussels, N411direction Namur
take N4 in Courrière > follow Marche-en-Famenne, then follow La Roche-en Ardenne.