The “ Many Coloured Route in Valle Oscuru” runs through the valley of the Carranzo or the Valle Oscuru. Its objective is to highlight characteristics and features of this valley which runs along the course of the Río Cabra.

The borough of Llanes enjoys a mild climate with an average yearly temperature of 13.1ºC. The humidity here is about 70%. Rain fluctuates between 1.100mm and 1.300 mm.

The Picos de Europa are made up of three great massifs, the Western Massif, the Central Massif or Los Urrieles and the Western Massif or Andara.

The plant life which grows in the Protected Countryside of the Eastern Coast seems to have taken on the same duality as the geographical features which characterise the area.

At first sight from the flan area of land around Llanes, the Sierra appears to be a white limestone wall, almost deprived of plant life.

The borough of Llanes is located on the eastern coast of Asturias. Its coastline extends for 56 kilometres and, at its widest part, it measures 24 kilometres, as measured between the Cape of St.

The area of protected countryside along the eastern coast of Asturias extends beyond the municipality of Llanes. The area can be described as an extraordinary region of limestone features.

This mountain range forms a huge limestone wall whose sides are almost vertical. The Sierra is located some 5 to 9 kilometres from the sea. This is the longest of the coastal mountain ranges in Asturias.