Also Ermedaña and Almedaña, reduplicative hydronial compound, by saying the sage Jesuit Leon Eutimio Martino, Aristotelian philosopher, theologian, professor of humanities, researcher of the toponymy and hydronimy of the pre-Roman peoples of northern Spain, p who happiness lies in the pleasure of knowing. My admiration, Master! La Hermedaña is a historic Riojan site whose hermitage was located between the valleys of Najerilla and Iregua not far from San Millán de la Cogolla.