Peaks attached to the piornales and generally with a predominance of scrubland and also moors and "xesteiras". Forests at medium altitudes, of oaks, birches and beech trees. Well preserved outstanding leafy forests like the forest of Rogueira.
Abundant fauna with more than 170 species of vertebrates: wolves, foxes, wild boar, badgers and pine martens. Interesting colonies associated with deep fissures and caves.