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Offa's Dyke is a linear earthwork monument comprising a substantial bank and ditch that forms part of the eighth-century frontier defence system constructed during the reign of King Offa of Mercia. This section, located east of Ty Gwyn in Shropshire, preserves significant stretches of the original dyke structure, which extends intermittently across the Welsh-English border for approximately 177 kilometres. The monument at this location exhibits the characteristic profile of the larger sections of the dyke, with a prominent bank accompanied by a ditch, and represents one of the most substantial early medieval engineering projects in Britain. Dating to the late eighth century, this section exemplifies the strategic importance of the Mercian kingdom's western frontier.
Offa's Dyke: section 90m east of Ty Gwyn is a scheduled monument protected by Historic England under reference 1020948. View the official record →
Offa's Dyke is a linear earthwork monument comprising a substantial bank and ditch that forms part of the eighth-century frontier defence system constructed during the reign of King Offa of Mercia. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1020948.
Offa's Dyke: section 90m east of Ty Gwyn 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 1020948.
Several scheduled monuments lie within 10 km, including Carreghofa Castle (2.4 km), Llanymynech Hill Camp (2.6 km), Lime kilns, associated tramways, structures and other buildings at Llanymynech (3.3 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of Offa's Dyke: section 90m east 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.
Offa's Dyke: section 90m east of Ty Gwyn stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.