The main examples and traces of Roman gold mines are concentrated in Northwest Iberia, although mining works are
scattered throughout the Roman Empire, reaching areas like Britannia or Dacia. However, mining technologies
employed are relatively uniform, adapting at all times to different types of exploited gold deposits. The profusion of
mining operations and its magnitude are an extraordinary ... [Show full abstract] example of mining engineering which in some cases has led
to its declaration as a World Heritage Site, as well as various research activities, protection and development of cultural
tourism of this Roman mining legacy, in what came to be termed as "mining landscapes". After a brief overview of the
gold mines of the Roman Empire, the research conducted in the area of Valongo-Paredes highlight that this is the
world's largest set of underground Roman gold mining.