Coteaux du Layon the Loire, in the Touraine subregion. In comparison to sweet Vouvray, Coteaux du Layon wines tend to be more full-bodied, often sweeter, and slightly lower in acidity. Coteaux du Layon Coteaux du Layon is an "Appellation d'origine contrôlée" (AOC) for sweet white wine in the Loire Valley wine region of France. Coteaux du Layon is situated in the Anjou district of the region, along the river Layon, which is a tributary of the Loire River. Six of the villages (communes), namely Beaulieu-sur-Layon, Faye-d'Anjou, Rablay-sur-Layon, Rochefort-sur-Loire, Saint-Aubin-de-Luigné and Saint-Lambert-du-Lattay are allowed to add their name to that of the appellation. Usually,
Loire of the estuary), and the beaches of Le Croisic and La Baule along the coastline. Its main tributaries include the rivers Maine, Nièvre and the Erdre on its right bank, and the rivers Allier, Cher, Indre, Vienne, and the Sèvre Nantaise on the left bank. The largest tributary of the river is the Allier, in length, which joins the Loire near the town of Nevers at . Downstream of Nevers lies the Loire Valley, a UNESCO World Heritage Site due to its fine assortment of castles. The second longest tributary is the Vienne which joins the Loire at Candes-Saint-Martin at