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
Loire Valley a combination of words, music, and illuminations. A new Contemporary Art offer is developing all along the Loire River from Montsoreau to Orléans with such places as Château de Montsoreau-Contemporary Art Museum, CCCOD Tours, the Domaine Régional de Chaumont sur Loire and the Frac Centre Orléans. They are a rare association of Renaissance architecture with contemporary art. The architectural heritage in the valley's historic towns is notable, especially its châteaux, such as the Château de Montsoreau, Château d'Amboise, Château d'Azay-le-Rideau, Château de Chambord, Château de Chinon, Château du Rivau, Château d'Ussé, Château de Villandry and Chenonceau. The châteaux, numbering more