From the eighteenth century, various historians, such as Florian de Ocampo, the Father and the Father Florez Mendez, no doubt because of attribution Numancia Soria, but we should mention John Loperraez that, in his "Historical Overview of the Bishopric de Osma "(1788), brings his research in the field, facilitating the forefront of the Cerro de la Muela and its ruins visible: walls, a house plant, pottery and three lines of walls