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Pen-y-Coedcae Roman Camp is a Roman marching camp in Wales, protected by Cadw under reference GM267. The site occupies ground underlain by the South Wales Upper Coal Measures Formation, Westphalian in age, comprising mudstone, siltstone, sandstone, coal, ironstone and ferricrete. This geological setting placed the camp within the mineral-rich landscape of the South Wales coalfield, though Roman forces would have been principally concerned with the camp's strategic position and defensibility rather than mineral extraction.
Roman marching camps such as this were temporary military installations, typically occupied for only days or weeks during military campaigns. They were constructed to a standard plan, with defensive ditches and ramparts arranged in a characteristic rectangular or playing-card shape, though substantial remains are often difficult to detect on the ground. The camp's location in the upland terrain of Wales reflects the Roman military's need to control and suppress the indigenous population during the conquest and occupation of the province.
The South Wales coalfield landscape today bears little resemblance to the Iron Age communities the Romans encountered, yet Pen-y-Coedcae preserves an archaeological record of the period when Roman legions moved through this region, establishing the military infrastructure that would underpin provincial administration and resource exploitation for centuries to come.
Pen-y-Coedcae Roman Camp is a scheduled monument protected by Cadw under reference GM267. View the official record →
Pen-y-Coedcae Roman Camp is a Roman marching camp in Wales, protected by Cadw under reference GM267.
Pen-y-Coedcae Roman Camp dates from the roman period, and is classified as a marching camp. It is one of over 32,000 scheduled monuments protected across the UK.
Pen-y-Coedcae Roman 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 GM267.
Several scheduled monuments lie within 10 km, including Rhiw Saeson Caerau (4.9 km), Llantrisant Castle (5 km), Five Round Barrows on Garth Hill (5.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Pen-y-Coedcae Roman 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.
Pen-y-Coedcae Roman 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.