Les Grands Bureaux de la Compagnie des mines de Lens

The “core zone” of the property includes 353 outstanding elements: 17 collieries or significant vestiges of collieries, 21 headgear structures, 51 slag heaps, 54 km of former railway tracks, 3 railway stations, 124 estates of miners’ housing, 45 schools and leisure facilities, 17 churches and chapels, 21 health facilities, the head offices of 3 mining companies and 4,000 ha of organic industrial landscape stretching for more than 120 km.