piem Offline Profile Trails Points Lists Sitytrail × Do you really want to remove this contact? SityTrail Do you really want to block this user? Lists Favoris publics Favoris publics Bart2015 Lac de la Pierre-Percée - château de Salm - grotte des Poilus et l'observatoire Walking Difficult Pierre-Percée, Grand Est, Meurthe-et-Moselle, France 17.9 km | 25 km-effort 5h 24min Yes < 1 >