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The Moat Mound & Bailey Castle is a medieval motte and bailey earthwork located in Wales and protected by Cadw under reference MG017. The monument comprises the characteristic two-part defensive structure typical of Norman and post-Conquest fortifications: a raised mound, or motte, accompanied by an attached or adjacent bailey—a defended enclosure. These fortifications were rapidly constructed across Wales following the Norman advance, serving as secure administrative and military bases for establishing control over conquered territories.
The site sits upon bedrock composed of Llandovery Rocks (Undifferentiated), a formation dating to the Llandovery period and consisting of mudstone, siltstone and sandstone. This geological foundation would have influenced both the construction of the earthwork and its drainage characteristics. The soft sedimentary nature of the bedrock contrasts with harder stone formations elsewhere, potentially affecting how the motte was built up and how water management evolved at the site.
As a motte and bailey, the monument represents a significant phase in medieval Welsh defensive architecture. These structures were typically occupied for several centuries, though many were superseded by more substantial stone castles as Norman authority consolidated. The earthworks survive today as physical testimony to the medieval conquest and settlement patterns that shaped the Welsh landscape during the medieval period.
The Moat Mound & Bailey Castle is a scheduled monument protected by Cadw under reference MG017. View the official record →
The Moat Mound & Bailey Castle is a medieval motte and bailey earthwork located in Wales and protected by Cadw under reference MG017.
The Moat 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.
The Moat 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 MG017.
Several scheduled monuments lie within 10 km, including Llandinam Hall Enclosure (1.5 km), Allt Gethin Round Cairn (3.4 km), Neuadd Goch Castle Mound (4.3 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of The Moat 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.
The Moat Mound & Bailey Castle stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is mudstone, siltstone and sandstone.