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Offa's Dyke: Section from Ditchyeld Bridge to County Boundary is an early medieval linear earthwork stretching across the Welsh borderlands. Built in the 8th century, this section forms part of the longer defensive frontier constructed under King Offa of Mercia to demarcate his kingdom from the Welsh princes beyond. The monument runs across undifferentiated Wenlock rocks—a foundation of mudstone, siltstone and sandstone formed during the Palaeozoic era—which would have provided stable ground for the substantial earthwork's construction.
This particular section, extending between Ditchyeld Bridge and the county boundary, preserves the characteristic form of Offa's Dyke as a prominent linear bank, sometimes accompanied by a ditch. The varied geology of the borderland presented both challenges and opportunities to the Anglo-Saxon engineers; the Wenlock bedrock outcrops and softer sedimentary layers shaped how the dyke was aligned across the landscape.
The monument is protected and managed by Cadw, the Welsh heritage service, under reference RD025. The section retains significant archaeological value as part of this remarkable surviving testimony to early medieval territorial assertion and engineering ambition along what would become the Wales–England border.
Offa's Dyke: Section from Ditchyeld Bridge to County Boundary is a scheduled monument protected by Cadw under reference RD025. View the official record →
Offa's Dyke: Section from Ditchyeld Bridge to County Boundary is an early medieval linear earthwork stretching across the Welsh borderlands. It is designated a Scheduled Ancient Monument by Cadw under reference RD025.
Offa's Dyke: Section from Ditchyeld Bridge to County Boundary 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.
Offa's Dyke: Section from Ditchyeld Bridge to County Boundary 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 RD025.
Several scheduled monuments lie within 10 km, including Castle Twts (5.1 km), Mound S of Woodbrook (6.6 km), Offa's Dyke: the section E of Garden Wood, extending SE 85yds (80m) (7.3 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Offa's Dyke: Section from Ditchyeld Bridge to County Boundary'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.
Offa's Dyke: Section from Ditchyeld Bridge to County Boundary stands on Wenlock Rocks (Undifferentiated), bedrock that formed in the Wenlock. The rock here is mudstone, siltstone and sandstone.