Hiking Ille-et-Vilaine GR34 Sentier des Douaniers Bretagne , Ille-et-Vilaine 6 comments Beginner Discover EPIC trails - 1 trails reviewed Quick filter Beginner Intermediate Advanced Expert Dog allowed Child friendly View Détaillée Compact Liste GR34 Sentier des Douaniers 6 comments Beginner Elevation 200 m Bretagne , Ille-et-Vilaine