Loire Valley (wine) more pronounced mineral notes. The Cabernet franc based wines are also lighter in color with more vegetal or "weed"-like aromas. In riper vintages, a Loire Cabernet franc will develop aromas of raspberries and lead pencil shavings. The Loire Valley has a high density of vine plantings with an average of 1,600-2,000 vines per acre (4,000-5,000 per hectare). Some Sancerre vineyards have as many as 10,000 plants per hectare. With more vines competing for the same limited resources in the soil, the density is designed to compensate for the excessive yields that some of the grape varieties, like Chenin blanc, are
Loire Ocean) at Saint-Nazaire. Its main tributaries include the rivers Nièvre, Maine and the Erdre on its right bank, and the rivers Allier, Cher, Indre, Vienne, and the Sèvre Nantaise on the left bank. The Loire gives its name to six departments: Loire, Haute-Loire, Loire-Atlantique, Indre-et-Loire, Maine-et-Loire, and Saône-et-Loire. The central part of the Loire Valley, located in the Pays de la Loire and Centre-Val de Loire regions, was added to the World Heritage Sites list of UNESCO on December 2, 2000. Vineyards and châteaux are found along the banks of the river throughout this section and are a major tourist