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 Valley list of World Heritage Sites. In choosing this area that includes the French "départements" of Loiret, Loir-et-Cher, Indre-et-Loire, and Maine-et-Loire, the committee said that the Loire Valley is: "an exceptional cultural landscape, of great beauty, historic cities and villages, great architectural monuments - the "châteaux" - and lands that have been cultivated and shaped by centuries of interaction between local populations and their physical environment, in particular the Loire itself." The Loire Valley chansonniers are a related group of songbooks attributed to the composers of the Loire Valley and are the earliest surviving examples of a new genre which offered