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Crug Eryr Mound and Bailey Castle is a motte and bailey fortification located in Radnorshire, Wales, representing a typical Norman earthwork defence of the twelfth century. The castle comprises a raised mound surmounted by a fortified enclosure, with an associated bailey or outer defensive court, characteristic of the earliest phase of Norman military architecture in Wales. The site's location in the Radnorshire uplands reflects the strategic importance of this region during the Norman advance into Welsh territories, serving as a point of control and administration within the wider pattern of conquest and settlement. Like many motte and bailey castles in the Welsh Marches, Crug Eryr was likely superseded by stone fortifications as Norman consolidation progressed, though its earthwork remains survive as testament to the military methods employed in the frontier landscape of medieval Wales.
Crug Eryr Mound and Bailey Castle is a scheduled monument protected by Cadw under reference RD003. View the official record →
Crug Eryr Mound and Bailey Castle is a motte and bailey fortification located in Radnorshire, Wales, representing a typical Norman earthwork defence of the twelfth century. It is designated a Scheduled Ancient Monument by Cadw under reference RD003.
Crug Eryr Mound and 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.
Crug Eryr Mound and 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 RD003.
Several scheduled monuments lie within 10 km, including Penarth Mount Castle Mound (7.5 km), Six Stones Stone Circle (7.6 km), Cefn Wylfre Round Barrows (8.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Crug Eryr Mound and 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.
Crug Eryr Mound and Bailey Castle stands on Ludlow Rocks (Undifferentiated), bedrock that formed in the Ludlow. The rock here is mudstone, siltstone and sandstone.