The third and final part of the Natura 2000 trails is dedicated to the plant colonization of the disused sites of the mining basin. Little by little, nature is reclaiming the old open spaces. Places to discover (among others): Animal shelter Archery Viewpoint "Eelendege Bierg" Former mining car route "Kayler Poteau".
- L-4114 Esch-sur-Alzette
- Run by Natura 2000 Weg - Boucle C: "La succession végétale sur un ancien territoire minier" – 2,5 km