© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Castell Moeddyn is a prehistoric hillfort located in Wales and scheduled under Cadw protection (reference CD082). The site occupies bedrock of Llandovery Rocks, a geological formation dating to the Llandovery period composed of mudstone, siltstone and sandstone. This underlying geology would have presented both opportunities and challenges to its Iron Age builders: the softer sedimentary stones could be quarried for rampart construction, whilst the variable bedrock would have required careful engineering of defensive works.
The hillfort's position exploits natural topography to command views across the surrounding landscape. Its ramparts would have served both defensive and territorial functions, marking the settlement's boundaries and status within the broader pattern of Iron Age settlement in Wales. The durable nature of such fortified positions meant many hillforts continued in use across multiple periods.
As a scheduled monument under Cadw's care, Castell Moeddyn remains an important archaeological resource for understanding Iron Age settlement patterns, social organisation and land use in Wales. The site's survival depends upon the protection of its earthworks and any subsurface deposits that may retain evidence of occupation, domestic activity and the strategies by which prehistoric communities adapted to their local environment.
Castell Moeddyn is a scheduled monument protected by Cadw under reference CD082. View the official record →
Castell Moeddyn is a prehistoric hillfort located in Wales and scheduled under Cadw protection (reference CD082).
Castell Moeddyn dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Castell Moeddyn 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 CD082.
Several scheduled monuments lie within 10 km, including Castell 270m E of Moeddyn-Fach (1.1 km), Penlan-Noeth, Round Barrow 230m NNW of (1.3 km), Whilgarn Ring Cairn (3.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Castell Moeddyn'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.
Castell Moeddyn stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is mudstone, siltstone and sandstone.