The region of Saja-Nansa is characterized by its high ecological value . Located between the coast and the mountains Shield of Cabuérniga, Barcena Mayor, Cordel and Peña Sagra, includes the protected areas of the Natural Park of Oyambre and the National Reserve of Saja . Predominate guaranteed tranquility and lush nature. The landscape is dominated by the sinuous folds and steep reliefs. Comprising the valleys of the Nansa and Cabuérniga and is an area with its own personality within the region.