Arches UK - a collection of Nature’s arches and bridges
Department - Aveyron. This double arch is located in Montpellier Le Vieux park to the east of the town of Millau. It is difficult to reach as it is not situated on any of the park's trails. The larger opening has a span of about 13 feet and a height of about 11 feet. The smaller opening has a thickness of only 6 inches.