A ruined medieval castle on the limestone bluff above Bouvignes, built in the 14th century by the Counts of Namur to guard the Meuse. The name — "heartbreak" in French — supposedly comes from the despair of the inhabitants after the castle was definitively destroyed by Henri II of France in 1554.
The walk up from Bouvignes takes about 20 minutes through the forest and rewards you with sweeping views of the Meuse, the rival town of Dinant across the river, and the surrounding Walloon countryside. The site is open and free; what is left of the walls is partially consolidated. A picnic spot for anyone making the Bouvignes detour.