The hammer mills and forges of Riotorto Curiosity · Riotorto, Meira, Lugo Image of Riotorto, not of the place itself. Between the 16th and 17th centuries forge hammers and ironworks operated here, fed by local mining and by the force of the water. Their remains are the finest testimony to the traditional ironmaking of the Lugo mountains. Photo: Miguel Branco (CC BY-SA 4.0) What to see and do in Riotorto