Minería del hierro en Sierra Alhamilla Historical milestone · Turrillas, Filabres-Tabernas, Almería Image of Turrillas, not of the place itself. Turrillas experienced its most prosperous period in the late 19th and early 20th centuries thanks to iron mining in the Sierra Alhamilla, which even had its own mining railway; the activity declined after the First World War. Photo: Schumi4ever (CC BY-SA 4.0) What to see and do in Turrillas