6.9 km | 9 km-effort
This two-arched stone culvert (18th century) led to an old blast furnace, hence its name. It is now disused, following a diversion of the Lomme.
Right next to it, a cross recalls that a priest died drowned during a flood of the river.
Walking
Randonnées de la Grande Forêt de Saint-Hubert GUIDE+
