electron7 Offline Happy Profile Trails Points Lists Sitytrail × Do you really want to remove this contact? SityTrail Do you really want to block this user? Trails electron7 Barrage du Chambon-Lac noir GR54 Walking Very easy Les Deux Alpes, Auvergne-Rhône-Alpes, Isère, France 14.6 km | 31 km-effort Unknown No < 1 >