From the Monts d'Arrée to the lake of Guerlédan, discover the Blavet valley, Huelgoat, le Faouët, the Nantes-Brest canal, the Montagnes Noires, the Léguer valley... the diversity of trails and landscapes of the Destination Cœur de Bretagne - Kalon Breizh will seduce you to practice trail running in the heart of a preserved nature.