Viaduc du Pont Marteau (Sainte-Colombe-sur-Gand) walks

This circular route, which starts in Sainte-Colombe-sur-Gand, follows an old railway line through countryside and forest, finally crossing the vertiginous Pont Marteau bridge, which is 320 m long and 50 m high. This route follows the signs for "Sur les traces du tacot" (In the footsteps of the old train) and, in the forest, the yellow and red markings ofthe GRP® "Terre de tisseurs en forêt" (Land of weavers in the forest).