Number of trails 1 What are the TOP 1 best hiking trails in Ille-et-Vilaine in 2024? 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 GR34 Sentier des Douaniers Bretagne , Ille-et-Vilaine 6 comments Beginner