FR-201. This nice natural arch is located on Fontanilles locality near the hamlet of La Trivalle on Causse du Larzac area in Hérault department of France. The opening has a measured span of 6.0 meters and a height of 3.5 meters. IGN topographic map Top 25 Saint-Guilhem-le-Désert number 2642 east (pleat H1).