Saint-Malo has 1 trail including easy difficulty trails. The trail with the highest elevation climb is GR 34 and the one with the least climb is GR 34. The longest trail is GR 34 at 114 km. To complete this hike you should budget at least 6 days. For a shorter adventure you can try GR 34 at 114 km. This could be done in as little as 6 days. Trails with the best offering of hostels include GR 34.