In the south the descent from the table-land to the valley of the Guadalquivir is again comparatively gradual, but even here in the eastern half of the Sierra Morena the passes are few, the most important being the Puerto de Despeflaperros, where the Rio Magana, a sub-tributary of the Guadalimar, has cut for itself a deep gorge through which the railway ascends from Andalusia to Madrid.
Between Andalusia and Estremadura farther west the communication is freer, the Sierra Morena being broken.
He obtained an office in the financial department of the government; and in 1795 was made intendant of the colonies which had just been founded in Sierra Morena and Andalusia.
In piercing the Sierra Morena it forms a series of foaming rapids, and only begins to be navigable at Mertola, 42 m.
The greater part of the interior of Spain is composed of a table-land bounded by the Cantabrian Mountains in the north and the Sierra Morena in the south, and divided into two by a series Central of mountain ranges stretching on the whole from east Table-land to west.
The southern system of mountains bounding the Iberian table-landthe Sierra Morena (q.v.)is even less of a continuous chain than the two systems last described.