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Wat's Dyke: Section NE of Hen-Dy Farm is a linear earthwork of early medieval date forming part of the extensive frontier works constructed in the Welsh Marches. This section lies in Wales and is protected as a scheduled monument by Cadw. The dyke represents one of the major engineering achievements of the early medieval period, constructed across challenging terrain to define territorial boundaries.
The earthwork rests upon bedrock of the Millstone Grit Group, composed of mudstone, siltstone and sandstone deposited during the Namurian period. This geological foundation presents a tough landscape requiring substantial labour to construct the dyke, yet the relatively coherent nature of these sedimentary rocks would have provided stable ground for the earthwork's construction and long-term preservation.
As a section of the larger Wat's Dyke system, this monument contributes to our understanding of early medieval political geography and the relationship between communities on either side of the frontier. The preservation of the earthwork across this stretch of countryside demonstrates the scale of coordinated works undertaken during this significant period of Welsh and Marcher history.
Wat's Dyke: Section NE of Hen-Dy Farm is a scheduled monument protected by Cadw under reference FL088. View the official record →
Wat's Dyke: Section NE of Hen-Dy Farm is a linear earthwork of early medieval date forming part of the extensive frontier works constructed in the Welsh Marches. It is designated a Scheduled Ancient Monument by Cadw under reference FL088.
Wat's Dyke: Section NE of Hen-Dy Farm 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 NE of Hen-Dy Farm 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 FL088.
Several scheduled monuments lie within 10 km, including Offa's Dyke: Brymbo Hill Section (8.1 km), Brymbo Lead Smelting Works (8.2 km), Brymbo Ironworks: Early Blast Furnace, Cast House & Foundry (8.6 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Wat's Dyke: Section NE of Hen-Dy Farm'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 NE of Hen-Dy Farm stands on Millstone Grit Group [See Also Migr], bedrock that formed in the Namurian. The rock here is mudstone, siltstone and sandstone.