Ganzeville lies on the magnificent Vallée de Ganzeville trail, which runs from Bec de Mortagne, where the source of the Ganzeville river, the Saint-Martin spring, is located, to Fécamp. The Vallée de Ganzeville, a listed site that runs deep into the Pays de Caux, is remarkable for its woods and biodiversity. Its natural, unspoilt character makes it one of the jewels of the Cauchois hinterland. The quality of its landscape and habitat justified its classification in 1986.