Loire Valley (wine) a variety of limestone with excellent drainage that is known as tuffeau which is the same material used to build many of the famous Loire Valley Châteaux. The area around Chinon, Bourgueil and Saint-Nicolas-de-Bourgueil produces the majority of the Loire Valley's red wine based on the Cabernet franc grape—known in this areas as "Breton". The wines of the Chinon area are the softest and rich expression of the grape while the Bourgueil area produces more tannic and firm wines. The St-Nicolas-de-Bourgueil area produces the lightest colored wines. In the 19th century, the wines of the Chinon area were compared favorably
Châteaux of the Loire Valley the banks of the Loire. In the late 15th century, Tours, then Blois, and later Amboise became the preferred locations of the French royal court. Many courtiers bought dilapidated castles built by the medieval Counts of Blois and Anjou, and had them reconstructed in the latest Italianate fashion. Leonardo da Vinci and other Italian artists arrived to design and beautify these residences. By the middle of the 16th century, King François I had shifted his throne from the Loire back to the ancient capital of Paris. With him went the great architects, but the Loire Valley continued to be the