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Offa's Dyke is a linear earthwork forming part of the extensive frontier system constructed during the reign of King Offa of Mercia in the late eighth century. This particular section, located south of Treflach Wood in Shropshire, comprises a substantial bank and ditch running approximately 300 metres in length, representing the characteristic engineering of the monument as it traverses the Welsh borderlands. The dyke functioned as a boundary demarcation and defensive structure between the Anglo-Saxon kingdom of Mercia and the Welsh kingdoms to the west, though debate continues regarding the extent to which it formed a continuous fortified line. This section survives as a prominent upstanding earthwork, preserving important evidence of the scale and construction techniques employed in one of the largest engineering projects of early medieval Britain.
Offa's Dyke: section 330yds (300m) S from Treflach Wood is a scheduled monument protected by Historic England under reference 1004769. View the official record →
Offa's Dyke is a linear earthwork forming part of the extensive frontier system 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 1004769.
Offa's Dyke: section 330yds (300m) S from 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 1004769.
Several scheduled monuments lie within 10 km, including Carreghofa Castle (2.9 km), Llanymynech Hill Camp (3.1 km), Lime kilns, associated tramways, structures and other buildings at Llanymynech (3.7 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 330yds (300m) S from Treflach Wood