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Buarth y Gaer, Mynydd y Gaer is a prehistoric hillfort located in Wales, designated as a scheduled ancient monument (Cadw SAM GM054). The site dates to the Iron Age and represents a significant example of defensive settlement architecture characteristic of that period in Welsh upland regions. The hillfort comprises earthwork defences that would have served to protect a community and their livestock, reflecting the territorial and social organisation of Iron Age Welsh society. Its position on elevated terrain exemplifies the strategic defensive considerations that informed the placement of such fortifications in the prehistoric landscape.
Buarth y Gaer, Mynydd y Gaer is a scheduled monument protected by Cadw under reference GM054. View the official record →
Buarth y Gaer, Mynydd y Gaer is a prehistoric hillfort located in Wales, designated as a scheduled ancient monument (Cadw SAM GM054).
Buarth y Gaer, Mynydd y Gaer dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Buarth y Gaer, Mynydd y Gaer 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 GM054.
Several scheduled monuments lie within 10 km, including Ergyd Isaf Round Barrows (5.7 km), Chain Home Low Radar Station, Margam (7.1 km), Margam Medieval Bath House (7.6 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Buarth y Gaer, Mynydd y Gaer'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.
Buarth y Gaer, Mynydd y Gaer stands on South Wales Upper Coal Measures Formation, bedrock that formed in the Westphalian. The rock here is mudstone, siltstone, sandstone, coal, ironstone and ferricrete.