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Offa's Dyke is a linear earthwork of 8th-century date constructed under the direction of King Offa of Mercia to demarcate the boundary between Mercia and Wales. The section from Rhydwen-Fach to Coed Pen-y-Gelli in Flintshire represents part of this extensive frontier work, which extends for approximately 149 kilometres across the Welsh border. This portion of the dyke typically comprises a substantial bank with an associated ditch, though topography affects its physical manifestation along the line. The monument remains an important testimony to Anglo-Saxon territorial assertion and the political geography of early medieval Britain.
Offa's Dyke: Section from Rhydwen-Fach to Coed Pen-y-Gelli is a scheduled monument protected by Cadw under reference FL109. View the official record →
Offa's Dyke is a linear earthwork of 8th-century date constructed under the direction of King Offa of Mercia to demarcate the boundary between Mercia and Wales. It is designated a Scheduled Ancient Monument by Cadw under reference FL109.
Offa's Dyke: Section from Rhydwen-Fach to Coed Pen-y-Gelli 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: Section from Rhydwen-Fach to Coed Pen-y-Gelli 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 FL109.
Several scheduled monuments lie within 10 km, including Bron Fadog Enclosure (4.5 km), Round Barrow 135m SE of Lodge Farm (5.4 km), Round Barrow 225m SE of Parc y Prysau (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: Section from Rhydwen-Fach to Coed Pen-y-Gelli