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Mynydd y Castell Camp is a prehistoric hillfort situated in Wales upon bedrock of the South Wales Upper Coal Measures Formation. The underlying geology comprises mudstone, siltstone, sandstone, coal, ironstone and ferricrete deposited during the Westphalian period, creating a landscape of steep slopes and exposed stone that would have shaped both the fort's construction and its defensive capabilities. The site is protected by Cadw, the Welsh heritage organisation, under reference GM162.
Hillforts of this type typically date to the later Bronze Age or Iron Age and were constructed as defended settlements or strongholds. Their hilltop locations provided commanding views across surrounding territory and natural defensive advantages. Mynydd y Castell Camp's position on the Coal Measures geology would have offered its inhabitants access to local stone resources for rampart construction, whilst the firm bedrock beneath afforded a stable foundation for the settlement's defences.
The monument remains an important record of Iron Age settlement patterns in South Wales. Such hillforts served multiple functions—as secure settlements, administrative centres, and potentially as refuges during times of conflict. The site's survival and official protection ensure that this evidence of prehistoric occupation and the strategies employed by Iron Age communities to defend their positions continues to contribute to understanding the region's archaeological heritage.
Mynydd y Castell Camp is a scheduled monument protected by Cadw under reference GM162. View the official record →
Mynydd y Castell Camp is a prehistoric hillfort situated in Wales upon bedrock of the South Wales Upper Coal Measures Formation. It is designated a Scheduled Ancient Monument by Cadw under reference GM162.
Mynydd y Castell Camp dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Mynydd y Castell Camp 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 GM162.
Several scheduled monuments lie within 10 km, including Kenfig Castle & Medieval Town (4 km), Leat & Dam at Llanmihangel Mill (4.4 km), Pyle Incised Stone (4.5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Mynydd y Castell Camp'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.
Mynydd y Castell Camp 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.