© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Aber-Naint Dyke is an early medieval linear earthwork located in Wales and protected by Cadw under reference MG024. The monument consists of an earthen bank, characteristic of defensive or territorial boundaries constructed during the early medieval period. Such linear works typically defined estate boundaries or marked the limit of political authority across the landscape. The dyke's precise form reflects the practical engineering of its builders, who worked with the natural topography to create an imposing linear feature.
The monument sits upon bedrock of the Ashgill Rocks, an undifferentiated sequence of mudstone, siltstone and sandstone formed during the Ashgill age of the Ordovician period. This solid geology underlying the site would have provided a stable foundation for the earthwork's construction, though the builders would have encountered this bedrock as they dug and raised the dyke. The composition of the local stone and soil would have influenced both the appearance and durability of the monument.
As a linear earthwork of early medieval date, Aber-Naint Dyke contributes to understanding of territorial organisation and landscape division during a formative period in Welsh history. The preservation of such monuments provides evidence of how communities structured their land and resources in the centuries following the departure of Roman authority from Britain.
Aber-Naint Dyke is a scheduled monument protected by Cadw under reference MG024. View the official record →
Aber-Naint Dyke is an early medieval linear earthwork located in Wales and protected by Cadw under reference MG024.
Aber-Naint Dyke dates from the early medieval period, and is classified as a linear earthwork. It is one of over 32,000 scheduled monuments protected across the UK.
Aber-Naint Dyke is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is MG024.
Several scheduled monuments lie within 10 km, including Tomen yr Allt Castle Mound (0.7 km), Tomen y Cefnlloer (1 km), Derwlwyn Coppice Hillfort (3 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Aber-Naint Dyke's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Aber-Naint Dyke stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.