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Offa's Dyke: Caeau-Gwynion Section is a linear earthwork forming part of the extensive frontier work constructed during the late eighth century under King Offa of Mercia. This section, located in Denbighshire, comprises a substantial bank and ditch running across the Welsh borderland, typical of the dyke's construction throughout its course. The monument represents one of the most ambitious engineering projects of early medieval Britain, serving to demarcate territorial control and regulate cross-border movement between the Mercian kingdom and the Welsh principalities. The Caeau-Gwynion stretch preserves evidence of the dyke's characteristic linear form, though like many sections of Offa's Dyke, it shows variation in preservation and structural integrity across its length.
Offa's Dyke: Caeau-Gwynion Section is a scheduled monument protected by Cadw under reference DE133. View the official record →
Offa's Dyke: Caeau-Gwynion Section is a linear earthwork forming part of the extensive frontier work constructed during the late eighth century under King Offa of Mercia. It is designated a Scheduled Ancient Monument by Cadw under reference DE133.
Offa's Dyke: Caeau-Gwynion 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 Britain.
Offa's Dyke: Caeau-Gwynion 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 DE133.
Several scheduled monuments lie within 10 km, including Offa's Dyke: section 1300yds (1190m) long, N from Careg-y-Big (6.9 km), Offa's Dyke: section 200yds (180m) long, at Careg-y-Big (7.4 km), Offa's Dyke: section 250yds (230m) long, S of Careg-y-Big (7.7 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: Caeau-Gwynion Section