The Landscape

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The Centre of the Cantal Massif

At the centre of the Cantal Massif the ridges from the volcanic peaks separate the cirques from which 15 glacial valleys radiate. The valleys separate the high plateaux and the planezes.

It is necessary to distinguish between narrow, steep forested valleys and the large gently sloping valleys. In the narrow valleys villages only exist on the valley floor, as Falgoux, Fontanges, Thièzac, Le Claux and Lavessière. The large valleys are dominated by pastures and meadows, with villages on the slopes, as the Santoire and Siniq valleys. The open spaces are the planezes of St Flour, Malbo, Pailharols and Cèzens, and the plateaux in the west and north west of Limon, Plateau de Trizac and Salersois. The planezes are wedge shaped lava flows which protect the underlying ground from erosion, and have several depressions. The villages are built in the low areas sheltered by ash and pine trees. The plateaux have a gentle relief shaped by glaciers and water. Cows and horses graze in their immense expanse and mill around the burons.

The Peripheral Massif

The periphery slopes gently towards the crystalline soils of Limousin in the west, Châtaigneraie in the south and Margeride in the east. The large fertile glacial valleys of the volcanoes often collect granite and schists, from the older ground, in the gorges. The forest dominates here. Volcanic remains lie in mounds of trachyte or phonolite as Puy de Menoyre near Menet. Other glacial valleys open onto fertile plains, the Cère valley, for example, emerges onto the Aurillac basin.


Classic Geology in Auvergne by Peter Cattermole ISBN 1-903544-05-x available from Blackwells