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Offa's Dyke: Tan-y-Graig Section is a linear earthwork forming part of the extensive frontier defence system constructed during the reign of King Offa of Mercia in the late eighth century. This section of the dyke, located in Flintshire, comprises a substantial bank and ditch arrangement typical of the monument's construction throughout its length, serving to demarcate and defend the Anglo-Saxon border against Welsh territories. The earthwork represents one of the most ambitious engineering projects of the Early Medieval period in Britain and remains a significant archaeological and historical testimony to Anglo-Saxon territorial control and political authority. The Tan-y-Graig section is scheduled as an ancient monument under the care of Cadw, reflecting its importance to the archaeological heritage of Wales.
Offa's Dyke: Tan-y-Graig Section is a scheduled monument protected by Cadw under reference FL108. View the official record →
Offa's Dyke: Tan-y-Graig Section is a linear earthwork forming part of the extensive frontier defence system constructed during the reign of King Offa of Mercia in the late eighth century. It is designated a Scheduled Ancient Monument by Cadw under reference FL108.
Offa's Dyke: Tan-y-Graig Section 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: Tan-y-Graig Section 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 FL108.
Several scheduled monuments lie within 10 km, including Bron Fadog Enclosure (5.4 km), Round Barrow 135m SE of Lodge Farm (5.8 km), Cae Gwyn Cave (6.4 km).
Aubrey generates in-depth historical research for any address in the UK — 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: Tan-y-Graig Section