Three Cocks Roman fort is a military installation in the Wye valley of Powys, Wales, identified through aerial photography during the exceptional drought conditions of summer 2018. Likely dating to the Flavian conquest period of the later 1st century AD, it would have housed an auxiliary garrison of perhaps 500 men and formed part of the network of forts established during the suppression of the Silures.
Source: Pleiades — A Community-Built Gazetteer and Graph of Ancient Places. View the Pleiades record →
The fort fills a notable gap in the known Roman military road system between the established fortresses at Clyro and Brecon Gaer, lying on a probable route through the upper Wye valley. Its discovery has refined our understanding of how Rome controlled movement and territory in mid-Wales during and after the conquest.
Knowledge of the site derives almost entirely from cropmarks photographed by the Royal Commission on the Ancient and Historical Monuments of Wales in June 2018, revealing the characteristic playing-card outline of defensive ditches; no excavation has been undertaken, so dating and internal layout remain inferred from comparable Welsh auxiliary forts such as Pen y Gaer and Clyro.
Three Cocks Roman fort is a military installation in the Wye valley of Powys, Wales, identified through aerial photography during the exceptional drought conditions of summer 2018. It is recorded in the Pleiades gazetteer of ancient places as a fort site from the Roman period in Britain.
Three Cocks Roman fort is classified as a Roman fort — a military site in the Pleiades ancient world gazetteer. Roman Britain's archaeology encompasses thousands of sites ranging from legionary fortresses and marching camps to villas, temples and towns.
Several Roman sites lie within a short distance, including Clyro (8.4 km), Cefn-Brynich (13.9 km), Pen-y-Gaer Roman fort (15.3 km). Aubrey Research maps over 2,200 Roman sites across Britain, drawn from the Pleiades ancient world gazetteer.
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