Sistema Ibérico

The Iberian System, Spanish: Sistema Ibérico, is one of the main systems of mountain ranges in Spain. It is a vast and complex area of mountain chains and massifs located in the central regions of the Iberian Peninsula, but reaching almost the Mediterranean coast in the Land of Valencia in the east.

From the hydrographic viewpoint this system is of the highest importance in the Iberian Peninsula, for it separates the watersheds of most of the major rivers in Spain and Portugal, including the Ebro basin from the basins of the Duero, Tajo, Guadiana (Záncara-Gigüela), Júcar and Turia.

There are important mining areas in some of the ranges such as Sierra Menera, Sierra de Arcos and Sierra de San Just, making the system one of the most important mining regions in Spain, One of the comarcas of Aragon located in the Iberian System was given the name of Cuencas Mineras since mining is the main activity in the comarca.

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