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Tump Terrett Castle Mound is a medieval motte located in Wales and protected as a scheduled monument by Cadw. The earthwork rises from bedrock composed of Lower Devonian sandstone and conglomerate, interbedded strata laid down in the Early Devonian period. This substantial foundation of hard rock would have provided stable ground for the construction and maintenance of the motte's ramparts.
The mound represents a form of military architecture characteristic of the Norman and early medieval period in Wales, when such fortifications served as centres of local lordship and defence. Mottos of this type typically comprised a raised earthen mound topped with timber or stone structures, surrounded by a ditch and often adjoined by a bailey—a fortified outer courtyard. The prominent topographical feature created by such earthworks would have commanded views across the surrounding landscape.
The site's designation by Cadw under reference MM016 reflects its importance to the medieval archaeological heritage of Wales. Such monuments preserve evidence of the political geography and military strategy of medieval Wales, a period of dynamic settlement and fortification as Norman influence extended into Welsh territories.
Tump Terrett Castle Mound is a scheduled monument protected by Cadw under reference MM016. View the official record →
Tump Terrett Castle Mound is a medieval motte located in Wales and protected as a scheduled monument by Cadw. It is designated a Scheduled Ancient Monument by Cadw under reference MM016.
Tump Terrett 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.
Tump Terrett 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 MM016.
Several scheduled monuments lie within 10 km, including Chepstow Park Wood Cairn (7.9 km), Wyndcliff Roman Site (8.3 km), The Cold Bath: Piercefield (8.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Tump Terrett 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.
Tump Terrett Castle Mound stands on Lower Devonian Rocks (Undifferentiated), bedrock that formed in the Early Devonian. The rock here is sandstone and conglomerate, interbedded.