A narrow strip of level moorland, covered with furze and rich in deposits of peat, coal and amber, stretches inland, from the edge of the sheer cliffs which line the coast, to the foot of the mountains.
Although there are long stretches of marshy moorland along the coast, the soil is on the whole productive.
The greatest extent of moorland is found in the westernmost parts of the plain, in Oldenburg and East Frisia.
Its territories, far from the centres of European civilization and consisting largely of mountain, moorland and forest, were bounded on the north by the Minho, on the south by the Mondego.
The Exmoor is a horned breed of Devonshire moorland, one of the few remaining remnants of direct descent from the old forest breeds of England.