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Mound & Bailey Castle is a medieval motte and bailey castle located in Wales and protected by Cadw under reference MG043. The monument consists of the characteristic two-part defensive structure typical of Norman and medieval fortifications, comprising an elevated mound topped with a wooden or stone tower and an adjoining bailey, or courtyard, enclosed by a ditch and palisade. This type of castle represented a practical and economical approach to rapid fortification across medieval Britain and its conquered territories.
The castle's strategic position exploits the underlying geology of Llandovery Rocks, Undifferentiated, a formation of mudstone, siltstone and sandstone dating to the Llandovery period. The varied substrate provided both suitable material for constructing the mound and natural drainage properties essential for defensive earthworks. The combination of these softer sedimentary rocks allowed medieval builders to excavate the surrounding ditch and bank effectively, whilst the sloping terrain of the landscape would have reinforced the natural defensive qualities of the site.
The motte and bailey represents an important phase in medieval Welsh and border military architecture, when such castles served as administrative centres and military bases for Norman lords and their successors. Though no masonry structures survive, the earthwork remains preserve the essential layout and scale of medieval fortification, offering insight into medieval settlement patterns and strategies for controlling conquered territories in Wales.
Mound & Bailey Castle is a scheduled monument protected by Cadw under reference MG043. View the official record →
Mound & Bailey Castle is a medieval motte and bailey castle located in Wales and protected by Cadw under reference MG043.
Mound & Bailey Castle dates from the medieval period, and is classified as a motte and bailey. It is one of over 32,000 scheduled monuments protected across the UK.
Mound & Bailey Castle 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 MG043.
Several scheduled monuments lie within 10 km, including Henfron Moated Site (6.1 km), Cefn Llan Hillfort (7.4 km), Bryn-Derwen Mound and Bailey Castle (7.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Mound & Bailey Castle'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.
Mound & Bailey Castle stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is mudstone, siltstone and sandstone.