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 place where most of the French royalty preferred to spend the bulk of their time. King Louis XIV in the middle of the 17th century made Paris the permanent locale for great royal châteaux when he built the Palace of Versailles. Nonetheless, those who gained the king's favour and the wealthy bourgeoisie continued to renovate existing châteaux or build lavish new ones in the Loire as summer residences. The French Revolution saw a number of the great châteaux destroyed and many ransacked, their treasures stolen. The overnight impoverishment of many of the deposed nobility, usually after one of its members