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Wat's Dyke is an early medieval linear earthwork extending from Black Brook Bridge to Pentre-Clawdd in Wales. Constructed during the early medieval period, possibly in the seventh or eighth century, the dyke represents a substantial engineering undertaking designed to control movement and define territorial boundaries. The monument survives as a prominent earthwork comprising a bank and ditch, testament to the resources and organisation of the society that created it.
The dyke cuts across bedrock of the Warwickshire Group, a formation of siltstone and sandstone with subordinate mudstone dating to the Early Permian period. This underlying geology has influenced the dyke's preservation and appearance as it cuts through the landscape. The section at Black Brook Bridge and extending towards Pentre-Clawdd demonstrates the characteristic linear form of such works, following the contours as the terrain demands.
This portion of Wat's Dyke is protected as a scheduled ancient monument by Cadw under reference DE154. The surviving earthwork provides important evidence for understanding early medieval settlement patterns, land use and the exercise of power across the Welsh borders. The monument's scale and construction suggest investment by a centralised authority with the capability to mobilise substantial labour forces for territorial definition and control.
Wat's Dyke: Section extending from Black Brook Bridge to Pentre-Clawdd is a scheduled monument protected by Cadw under reference DE154. View the official record →
Wat's Dyke is an early medieval linear earthwork extending from Black Brook Bridge to Pentre-Clawdd in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference DE154.
Wat's Dyke: Section extending from Black Brook Bridge to Pentre-Clawdd 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 extending from Black Brook Bridge to Pentre-Clawdd 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 DE154.
Several scheduled monuments lie within 10 km, including Medieval cross in St Mary's churchyard, Dudleston (7.1 km), Offa's Dyke: Chirk Park Section extending NE from the Lake (7.5 km), Castell y Waun Castle Mound (7.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Wat's Dyke: Section extending from Black Brook Bridge to Pentre-Clawdd'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 extending from Black Brook Bridge to Pentre-Clawdd stands on Warwickshire Group, bedrock that formed in the Early Permian. The rock here is siltstone and sandstone with subordinate mudstone.