There are a number of mine entrances in the forest around Lasauvage where mining stopped in 1978. Minette is a type of mineral deposit, consisting of iron ore of sedimentary origin, found in the south of Luxembourg and in Lorraine.
The subsoil around Clairlieu (west of Villers-lès-Nancy) is crossed by a network of tunnels dug between 1899 and 1906 to make up for the infiltration of the Haye Plateau and …
Magnificent almost 360 degree panorama. There is a very appreciable calm as the area is not very busy and the roads are far away. (you can even squeeze into some cavities in the rock!)