Dynevor Park, near Llandeilo in Carmarthenshire, contains the remains of two superimposed Roman auxiliary forts overlooking the River Tywi. Identified through aerial photography and subsequently confirmed by geophysical survey and limited excavation, the forts appear to date to the later 1st century AD, likely associated with the Flavian conquest and consolidation of southwest Wales under Frontinus and his successors, with possible continued use into the early 2nd century.
Source: Pleiades — A Community-Built Gazetteer and Graph of Ancient Places. View the Pleiades record →
The site fills a long-suspected gap in the Roman military road network of southwest Wales, sitting between the known forts at Carmarthen (Moridunum) and Llandovery (Alabum) and confirming a continuous garrisoned route along the Tywi valley. Its discovery in 2003 substantially revised understanding of Roman military deployment in the Demetae territory.
Cropmarks revealed by aerial reconnaissance in 2003, followed by geophysical survey and small-scale evaluation by Dyfed Archaeological Trust and Cambrian Archaeological Projects, identified two overlapping rectangular enclosures with characteristic playing-card plan, multiple ditches, and internal features consistent with auxiliary forts of roughly 2–3 hectares. Finds have been limited, but recovered pottery and the structural sequence support a Flavian–Trajanic date; no full excavation has been published.
Dynevor Park, near Llandeilo in Carmarthenshire, contains the remains of two superimposed Roman auxiliary forts overlooking the River Tywi. It is recorded in the Pleiades gazetteer of ancient places as a fort site from the Roman period in Britain.
Dynevor Park 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 Unnamed aqueduct(s) at Dolaucothi, Wales (18.2 km), Gold Mines at Dolaucothi, Wales (18.2 km), Pumsaint Roman Fort (ancient Louentinon?) (18.4 km). Aubrey Research maps over 2,200 Roman sites across Britain, drawn from the Pleiades ancient world gazetteer.
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