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Bryn y Cwm Mound and Bailey Castle is a medieval motte and bailey castle in Wales, scheduled as a protected monument under Cadw reference FL064. The site exploits the natural bedrock geology to good effect: the underlying Warwickshire Group strata of Early Permian siltstone, sandstone and mudstone provided both a stable foundation and material for construction. The castle comprises a substantial mounded earthwork typical of Norman defensive strategy, with the motte—an artificial or heightened mound—serving as the stronghold's focal point. The bailey, an outer defensive enclosure, would have housed buildings and offered additional protection.
The monument's design reflects the military requirements of its period, when such castles controlled territory and communication routes across the Welsh landscape. The specific topography and local geology at Bryn y Cwm determined its suitability as a fortified site, with the bedrock composition supporting the considerable earthworks required. Like other motte and bailey castles of its type, the site was likely occupied during the medieval period when Norman expansion and settlement patterns influenced castle building throughout Wales.
Today, the earthwork remains a significant archaeological and landscape feature, preserved under statutory protection and providing evidence of medieval fortification techniques and settlement strategy.
Bryn y Cwm Mound & Bailey Castle is a scheduled monument protected by Cadw under reference FL064. View the official record →
Bryn y Cwm Mound and Bailey Castle is a medieval motte and bailey castle in Wales, scheduled as a protected monument under Cadw reference FL064.
Bryn y Cwm 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.
Bryn y Cwm 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 FL064.
Several scheduled monuments lie within 10 km, including Wat's Dyke: Section N & E of New Brighton (6.2 km), Rhual-Isaf Round Barrow (6.6 km), Taylor's Pottery (6.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Bryn y Cwm 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.
Bryn y Cwm Mound & Bailey Castle stands on Warwickshire Group, bedrock that formed in the Early Permian. The rock here is siltstone and sandstone with subordinate mudstone.