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Quercy(kĕrsē`), region and former county, SW France, now divided between Lot and Tarn-et-Garonne depts. Cahors is the chief city. It consists of arid limestone plateaus (causses), cut by fertile valleys of the Lot, Dordogne, and Aveyron rivers. Sheep raising is the chief activity in the causses; the famous Rocamadour cheese is made from sheep's milk. Of Gallo-Roman origin, Quercy (also known as Cahorsin) became (9th cent.) a fief of the counts of Toulouse. It was savagely contested during the Hundred Years War, after which it was united (1472) with the French crown and included in Guienne prov.
a plateau in southwestern France, between the Garonne lowlands on the west and the Central Massif on the east. The eastern part of the plateau reaches an altitude of 300–400m. The plateau, which is composed of Jurassic and Cretaceous limestone, dolomite, and clay, is broken up by the valleys of right-bank tributaries of the Garonne River. Cuestas and karsts characterize the terrain. There are oak, pine, and chestnut forests.