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Moel Hiraddug Hillfort is a prehistoric hillfort situated in Wales and protected by Cadw under reference FL012. The monument crowns a prominence underlain by Dinantian rocks, a Mississippian limestone formation interbedded with sandstone and mudstone that provided both a naturally defensive position and accessible stone for construction. The hillfort's location exploits the natural topography of this limestone landscape, offering commanding views across the surrounding terrain whilst the stable bedrock ensured sound foundations for its defensive works.
The monument belongs to a widespread category of Iron Age fortified settlements found across Britain and Wales, typically constructed with multiple ramparts and ditches enclosing domestic and storage areas. At Moel Hiraddug, the stone-rich geology of the Dinantian formation would have enabled the construction of substantial stone-faced ramparts characteristic of hillfort defences in upland regions. Such fortifications served communities as places of refuge, centres of authority and administration, and focal points for communal activity.
The hillfort remains an important archaeological site documenting prehistoric settlement patterns and defensive architecture in Wales. Its preservation allows study of Iron Age society, territorial organisation and the relationship between communities and the landscape they inhabited. The monument contributes significantly to understanding how prehistoric peoples adapted to and utilised the local geology and topography of the Welsh uplands.
Moel Hiraddug Hillfort is a scheduled monument protected by Cadw under reference FL012. View the official record →
Moel Hiraddug Hillfort is a prehistoric hillfort situated in Wales and protected by Cadw under reference FL012.
Moel Hiraddug Hillfort dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Moel Hiraddug Hillfort 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 FL012.
Several scheduled monuments lie within 10 km, including Ffynnon Beuno Cave (6.2 km), Round Barrow 135m SE of Lodge Farm (7.5 km), Ffynnon Fair (Well), Cefn (8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Moel Hiraddug Hillfort'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.
Moel Hiraddug Hillfort stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.