Sierra Morena

Sierra Morena, a mountain-range, or rather a broad mountain-ridge in the south of Spain, forming the southern edge of the great central plain of the peninsula. It separates the basin of the Guadiana on the north from that of the Guadalquivir on the south, and ranges in height from 2000 to 5500 feet. Valuable mines of lead, silver, quicksilver, sulphur, and lignite, as at Tharsis and Rio Tinto, occur in certain parts of the system. It is frequently mentioned in Don Quixote, and is the scene of many of the incidents therein described.