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Wat's Dyke: Section W of Ty-Gwyn is an early medieval linear earthwork situated in Wales. This section of the broader dyke system sits upon bedrock of the Warwickshire Group, Early Permian siltstone and sandstone interspersed with mudstone, which would have influenced both the dyke's construction and its survival. The monument is protected by Cadw as a scheduled ancient monument under reference DE151.
Linear earthworks of this period typically served territorial or defensive purposes, marking boundaries between communities or kingdoms during the early medieval centuries. Wat's Dyke represents one of Wales's significant early medieval engineering undertakings, comparable in ambition to other great dykes of the Anglo-Welsh border region.
The specific geological conditions at Ty-Gwyn, where the dyke crosses relatively stable sandstone and siltstone foundations, would have provided favourable ground for its construction and maintenance over centuries. This section, like others along the dyke's course, offers evidence of early medieval settlement patterns and political organisation in the Welsh borderland. The monument remains an important archaeological resource for understanding the region's medieval past.
Wat's Dyke: Section W of Ty-Gwyn is a scheduled monument protected by Cadw under reference DE151. View the official record →
Wat's Dyke: Section W of Ty-Gwyn is an early medieval linear earthwork situated in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference DE151.
Wat's Dyke: Section W of Ty-Gwyn 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.
Wat's Dyke: Section W of Ty-Gwyn 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 DE151.
Several scheduled monuments lie within 10 km, including Wat's Dyke: Section extending from Middle Sontley to Black Brook Bridge (6.6 km), Offa's Dyke: Section S of Aberderfyn Road (6.7 km), Wat's Dyke: Section extending from Black Brook Bridge to Pentre-Clawdd (7.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Wat's Dyke: Section W of Ty-Gwyn'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.
Wat's Dyke: Section W of Ty-Gwyn stands on Warwickshire Group, bedrock that formed in the Early Permian. The rock here is siltstone and sandstone with subordinate mudstone.