Among its beech and oak forests, the most emblematic animal species are the Cantabrian brown bear and the grouse, which coexist with jabalies, deer, chamois, wolves, foxes and otters.

The Natural park of fear extends through five valleys: salience, Valley of the lake, port and Pola of fear, Perlunes and Pigüeña and its five rivers with which they share name.

Of its landscape, highlights the beauty of the lakes, located south of the Council of Fear, on top of the mountain ranges that separate the fear of León: The three small lakes of salience; The lake of the valley, with its characteristic islet, is the largest lake of Asturias, with an average radius of 280 meters and an average draught of 10 meters, although in some areas reaches the 50. He is followed by the hidden lagoons of El Páramo, between the valleys of the rivers of fear and Pigüeña.

To its valuable natural patrimony, it is a cultural and human heritage that is equally singular. The inhabitants of this area are called Vaqueiros. Practitioners of a long-distance transhumance, they moved with their families, herds and things from the lower areas of the region to the high Pastossomedanos, to spend the summer there. The peculiar idiosyncrasy of the Vaqueiros treasures a rich heritage of rites, myths and folklore different from the rest of the region. To this is added an extraordinary richness of material elements and traditional architecture like the Cabanas de Teito or teitos (stone cabins and roof of vegetal cover).