The surroundings that surround valleys by the Asón, Soba and Ruesga, in the Eastern interior of Cantabria, are a true natural paradise, emphasizing the Natural Park of Cols of the Asón, the birth of laughed Gándara and its Network of Caves (Covalanas, Coventosa, Cullavera…), with impressive geologic wonders.

The well-known zone by the fishing of river, the sanctuaries of Our Lady of the Appeared Good and Santo Christ de Limpias, by its coastal localities Castro Urdiales and Laredo, as well as to contain in its subsoil some of the longest caves of Europe, is beginning to be open pie as tourist destiny, due to the height of the rural tourism, of ecological adventure.