Castle of Blimea Monument · San Martín del Rey Aurelio, Nalón, Asturias Image of San Martín del Rey Aurelio, not of the place itself. At the spot called La Cabezada stand the remains of the castle of Campogrande, popularly known as the castle of Blimea: an 1897 reconstruction on a 14th-century fortification that ended up collapsing at the end of the 20th century. Photo: No machine-readable author provided. Tista~commonswiki assumed (based on copyright claims). (CC BY-SA 3.0) What to see and do in San Martín del Rey Aurelio