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Caerau Castle Mound is a medieval motte situated in Wales and protected by Cadw under reference BR130. The earthwork rises from bedrock composed of Ashgill mudstone, siltstone and sandstone, deposits formed during the Ashgill geological period. This solid foundation supported the construction of the mound, a characteristic defensive feature of Norman and post-Norman castles built across Wales and the Anglo-Norman borderlands between the eleventh and thirteenth centuries.
The motte represents a practical approach to fortification, consisting of an elevated earthen mound topped with a timber or stone palisade. The surrounding ditch, quarried during construction, helped define the defensive perimeter whilst providing material for the mound's core. Such mottes frequently accompanied associated ditches and baileys—defended enclosures where domestic and military activities took place.
Caerau's position reflects strategic considerations of its period, dominating the local landscape to command routes and settlements below. The monument survives as a tangible record of medieval territorial control and the military architecture employed to enforce it across the Welsh landscape during a formative period of political consolidation and conflict.
Caerau Castle Mound is a scheduled monument protected by Cadw under reference BR130. View the official record →
Caerau Castle Mound is a medieval motte situated in Wales and protected by Cadw under reference BR130.
Caerau Castle Mound dates from the medieval period, and is classified as a motte. It is one of over 32,000 scheduled monuments protected across the UK.
Caerau Castle Mound 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 BR130.
Several scheduled monuments lie within 10 km, including Caerau Roman Site (0.1 km), Fforest Castle Mound (1.9 km), Tynewydd Roman road (2.1 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Caerau Castle Mound'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.
Caerau Castle Mound stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.