Ironworks of the Ferrera valley Historical milestone · Alins, Pallars Sobirà, Lleida Image of Alins, not of the place itself. Iron gave its name to the vall Ferrera. In 1874 the two forges of Alins, property of the Castellarnau family, produced some 360 tonnes a year and employed some six hundred men between mines, charcoal pits and transport. 1874 Photo: Jm.mir3 (CC BY-SA 4.0) What to see and do in Alins