In Roman times (first century BC/ fourth century AC), the Terva River upper valley witnessed a new territorial occupation focused on the intensive exploitation of the region mineral resources, in particular the gold primary deposits.
The wide ancient mining complex of the Terva River upper valley included the important Roman mining sites of Batocas and Carregal and the extraction areas of Batocas, Limarinho, Poço das Freitas and Brejo. On site, broad ‘cuts’ of open-pit mining, several galleries, wells, embankments and canals have been identified in a landscape profoundly marked by trenches of variable amplitudes that coexist with residual granite pyramids and lagoons. This is a land where climax vegetation has developed and is dominated by oak tree woodlands.
This mining complex, an unparalleled site in Northern Portugal, has unique features in terms of authenticity, originality and monumentality and a heritage value of high scientific, historical and cultural interest. It has been classified as a Site of Public Interest (Decree-law nº 386/2013, Diário da República, 2.a series-Nº 115-18, June 2013).
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Maps with the indispensable technical information for the realization of the routes are provided in the Interpretation Center of the TVAP in Bobadela.