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Offa's Dyke is a linear earthwork monument constructed during the late eighth century under the direction of King Offa of Mercia to establish a territorial boundary between Mercia and the Welsh kingdoms to the west. This section, extending approximately two hundred metres northward from the Royal Oak Inn at Treflach Wood in Shropshire, survives as a substantial bank and ditch formation representative of the dyke's characteristic engineering. The monument comprises a prominent earthen bank fronted by a substantial ditch, features typical of the eight-mile Shropshire stretch of what remains one of the most extensive linear defences constructed in early medieval Britain. This section of the dyke, designated as a scheduled monument, represents an important survivable segment of the broader c.150-mile frontier work that was maintained and periodically reinforced throughout the medieval period and into later centuries.
Offa's Dyke: section 220yds (200m) long, N from Royal Oak Inn, Treflach Wood is a scheduled monument protected by Historic England under reference 1004768. View the official record →
Offa's Dyke is a linear earthwork monument constructed during the late eighth century under the direction of King Offa of Mercia to establish a territorial boundary between Mercia and the Welsh kingdoms to the west. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1004768.
Offa's Dyke: section 220yds (200m) long, N from Royal Oak Inn, Treflach Wood 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 1004768.
Several scheduled monuments lie within 10 km, including Carreghofa Castle (3.4 km), Llanymynech Hill Camp (3.6 km), Lime kilns, associated tramways, structures and other buildings at Llanymynech (4.2 km).
Aubrey generates in-depth historical research for any address in Britain — drawing on scheduled monument data, Domesday records, Roman heritage, PAS finds and medieval history to reveal the complete story of a landscape.
Research the area around Offa's Dyke: section 220yds (200m) long, N from Royal Oak Inn, Treflach Wood