Explore hiking trails around Saint-Gervais-des-Sablons, Basse-Normandie. The best hike near Saint-Gervais-des-Sablons is Lavoir via Voie Verte, a 14.5 mile oneway in Parc naturel régional du Perche. Saint-Gervais-des-Sablons has population 73.0.