La minería del hierro en Arcentales Historical milestone · Artzentales, Enkartazioak / Encartaciones, Bizkaia Image of Artzentales, not of the place itself. As early as 1488 it is documented that Juan de la Cuadra, a resident of Arcentales, extracted and traded iron from the area. Between 1880 and 1890 the mining expanded to copper and other minerals, with a strong impact on the local economy until its decline after the mines closed. 1488; auge minero 1880-1890 Photo: Itziar ibabe (Tagzania user ID: 22861) (CC BY-SA 4.0) What to see and do in Artzentales