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Offa's Dyke is a linear earthwork that forms part of the extensive defensive frontier constructed during the reign of King Offa of Mercia in the late eighth century. This section, located south-east of Fron in Shropshire, comprises a substantial bank and ditch running north-south across the Welsh borderlands, representing a surviving stretch of one of the most significant Anglo-Saxon engineering works in Britain. The earthwork demonstrates the scale of Offa's ambition to demarcate and fortify the boundary between Mercia and the Welsh kingdoms, and this particular section retains good archaeological preservation of its original constructed form. The monument dates to the late eighth century, approximately 757–796 AD, and remains a tangible testament to early medieval territorial control and engineering capability.
Offa's Dyke: section 170m south-east of Fron is a scheduled monument protected by Historic England under reference 1006262. View the official record →
Offa's Dyke is a linear earthwork that forms part of the extensive defensive frontier constructed during the reign of King Offa of Mercia in the late eighth century. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1006262.
Offa's Dyke: section 170m south-east of Fron is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1006262.
Several scheduled monuments lie within 10 km, including Blodwell Rock Camp and portions of Llanymynech Hill Camp Also in Powys: Wales (4.6 km), Rhyd-Meredydd Bridge over River Tanat (4.6 km), Carreghofa Castle (4.9 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of Offa's Dyke: section 170m south-east of Fron'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 170m south-east of Fron stands on Millstone Grit Group [See Also Migr], bedrock that formed in the Namurian. The rock here is mudstone, siltstone and sandstone.