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Llandefaelog Fach Motte is a medieval motte-and-bailey castle positioned in Wales. The fortification rises from bedrock composed of Pridoli mudstone, siltstone and sandstone, geological strata that form the solid foundation beneath the site. The motte itself represents a common form of early medieval military architecture, in which an earthen mound provided both defensive elevation and a platform for a timber or stone superstructure. Such fortifications, typically constructed within a few decades of the Norman conquest, functioned as administrative centres and strongholds across the Welsh borderlands and conquered territories.
The monument stands as evidence of the period's military organisation and territorial control. The underlying geology—the Pridoli rocks formed during the Silurian period—would have influenced both the construction method and the stability of the earthwork over subsequent centuries. Over time, erosion and settlement have modified the motte's original profile, though its fundamental form remains recognisable in the landscape.
The site is protected by Cadw, the Welsh Historic Monuments Service, under the reference number BR191, ensuring its preservation as a record of medieval Wales and Norman settlement strategies.
Llandefaelog Fach Motte is a scheduled monument protected by Cadw under reference BR191. View the official record →
Llandefaelog Fach Motte is a medieval motte-and-bailey castle positioned in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference BR191.
Llandefaelog Fach Motte dates from the medieval period, and is classified as a motte. It is one of over 32,000 scheduled monuments protected across the UK.
Llandefaelog Fach Motte 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 BR191.
Several scheduled monuments lie within 10 km, including Plas-y-Gaer Camp (7.7 km), Early Medieval Cross in St Brynach’s Church, Llanfrynach (7.8 km), Standing Stone on Mynydd Illtud (8.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Llandefaelog Fach Motte'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.
Llandefaelog Fach Motte stands on Pridoli Rocks (Undifferentiated), bedrock that formed in the Pridoli. The rock here is mudstone, siltstone and sandstone.