Loire Valley (wine) the AOC, VDQS and Vin de Pays systems. There are two generic designations that can be used across the whole of the Loire Valley. The "Crémant de Loire" which refers to any sparkling wine made according to the traditional method of Champagne. The "Vin de Pays du Jardin de la France" refers to any varietally labeled wine, such as Chardonnay, that is produced in the region outside of an AOC designation. Sauvignon blanc and Pinot noir are the principal grapes of this region that is centered around the appellation of Sancerre and Pouilly-Fumé. The two towns of Sancerre and Pouilly-sur-Loire
Tuffeau stone Tuffeau stone Tuffeau stone — in French, simply tuffeau or tufeau — is a local limestone of the Loire Valley of France. It is characterized as a chalky or sandy, fine-grained limestone, white to yellowish-cream in appearance, and micaceous (containing some white flakes of mica, or muscovite). The soft stone is extracted from numerous quarries and has made a major mark on the architectural landscape of the Loire and its tributaries — especially the valley's world-famous chateaux. Tuffeau dates to the Mesozoic era (Upper Cretaceous Turonian stage). The Loire Valley formed the floor of a vast sea 90 million years