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Twmpan Castle Mound is a medieval motte situated in Wales and protected by Cadw under reference BR054. The monument rises from bedrock of Lower Devonian age, comprising mudstone, siltstone and sandstone laid down in the Early Devonian period. This underlying geology of mixed sedimentary strata has shaped the landscape upon which the mound was constructed.
The motte represents a characteristic form of medieval military architecture, consisting of an earthen mound that would have supported a timber or stone fortification at its summit. Such structures were typically erected during the Norman and early medieval period to provide strategic defensive positions and served as centres of local authority and control. The elevated position of the mound afforded commanding views across the surrounding terrain.
The survival of Twmpan Castle Mound as a recognisable earthwork demonstrates the durability of this form of medieval construction, even where built upon relatively soft Devonian sedimentary bedrock. Its protection as a scheduled ancient monument reflects the archaeological and historical significance of motte castles in understanding the medieval settlement patterns and territorial organisation of Wales.
Twmpan Castle Mound is a scheduled monument protected by Cadw under reference BR054. View the official record →
Twmpan Castle Mound is a medieval motte situated in Wales and protected by Cadw under reference BR054.
Twmpan 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.
Twmpan 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 BR054.
Several scheduled monuments lie within 10 km, including Tor y Foel Deserted Rural Settlement (6.6 km), Llangynidr Deserted Medieval Village (part of) (7.1 km), Carreg Wen Fawr y Rugos cairn cemetery (8.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Twmpan 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.
Twmpan Castle Mound stands on Lower Devonian Rocks (Undifferentiated), bedrock that formed in the Early Devonian. The rock here is mudstone, siltstone and sandstone.