Mont Saint-Michel. Le Mont-Saint-Michel is an island and mainland commune in Normandy, France.
   The island is located about one kilometer off the country's northwestern coast, at the mouth of the Couesnon River near Avranches and is 7 hectares in area. The mainland part of the commune is 393 hectares in area so that the total surface of the commune is 400 hectares.
   As of 2015, the island has a population of 50. The commune's position, on an island just a few hundred metres from land, made it accessible at low tide to the many pilgrims to its abbey, but defensible as an incoming tide stranded, drove off, or drowned would-be assailants. The island remained unconquered during the Hundred Years' War; a small garrison fended off a full attack by the English in 1433.
   Louis XI recognised the reverse benefits of its natural defence and turned it into a prison. The abbey was used regularly as a prison during the Ancien Régime.
   One of France's most recognisable landmarks, visited by more than 3 million people each year, Mont Saint-Michel and its bay are on the UNESCO list of World Heritage Sites. Over 60 buildings within the commune are protected in France as monuments historiques. Now a rocky tidal island, the Mont occupied dry land in prehistoric times. As sea levels rose, erosion reshaped the coastal landscape, and several outcrops of granite emerged in the bay, having resisted the wear and tear of the o
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