The main range is aligned in a NNW - SSE direction. It is not as high or conspicuous as other mountain ranges of the Iberian System. From the hydrographic point of view the Sierra Menera divides the Atlantic from the Mediterranean watershed. The eastern rivulets are tributaries of the Jiloca River, the western of the Tagus, and the northern have no exit, ending up in the Laguna de Gallocanta basin.