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Llwynduris Castle Mound is a medieval motte raised upon Ashgill bedrock in Wales. The mound itself represents a classic form of Norman and post-Norman fortification, whereby a steep-sided earthwork provided both a defensive position and a platform for timber or stone structures. The underlying geology of mudstone, siltstone and sandstone of the Ashgill formation would have offered a stable foundation for such construction, though the clayey nature of these rocks may have required careful drainage to prevent subsidence of the mound's core.
The motte stands as evidence of the medieval militarisation of the Welsh landscape, a period during which such ringworks and mounded castles served to establish territorial control and garrison strategic positions. The monument's survival to the present day, despite centuries of weathering and agricultural use, attests to the substantial earthwork engineering employed in its construction.
Llwynduris Castle Mound is protected as a scheduled ancient monument under Cadw, the Welsh heritage authority, safeguarding it under reference CD009. This legal protection reflects the site's significance as a record of medieval fortification practice and settlement patterns in Wales.
Llwynduris Castle Mound is a scheduled monument protected by Cadw under reference CD009. View the official record →
Llwynduris Castle Mound is a medieval motte raised upon Ashgill bedrock in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference CD009.
Llwynduris Castle Mound dates from the medieval period, and is classified as a motte. It is one of over 32,000 scheduled monuments protected across the UK.
Llwynduris Castle Mound 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 CD009.
Several scheduled monuments lie within 10 km, including Cenarth Bridge (3.6 km), Parc-y-Domen (3.7 km), Inscribed Stone in St Llawddog's Churchyard, Cenarth (3.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Llwynduris Castle Mound's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Llwynduris Castle Mound stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.