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Castle Lake Camp is a prehistoric promontory fort located on the Welsh coast, strategically positioned to exploit the natural defensive advantages of its headland setting. The monument sits upon Late Carboniferous claystone bedrock, a geology that would have shaped both construction possibilities and the fort's long-term stability. The surrounding strata of siltstone, sandstone and coal deposits reflect the ancient sedimentary environments that characterised this region during the Carboniferous period, millions of years before human occupation.
Promontory forts of this type typically date to the Iron Age, though some may have origins in the Bronze Age. Such sites were naturally defensible, requiring fortification on only the landward side where neck earthworks, ramparts or palisades cut off access from the wider landscape. The coastal location at Castle Lake Camp would have offered both security and access to marine resources, supporting a settlement economy that integrated inland and maritime activities.
The monument is protected as a scheduled ancient monument by Cadw, the Welsh Historic Monuments service, under reference PE278. This designation recognises its archaeological importance and ensures that the physical remains of this prehistoric settlement are preserved for future study and public understanding of early Welsh settlement patterns and defensive strategies.
Castle Lake Camp is a scheduled monument protected by Cadw under reference PE278. View the official record →
Castle Lake Camp is a prehistoric promontory fort located on the Welsh coast, strategically positioned to exploit the natural defensive advantages of its headland setting. It is designated a Scheduled Ancient Monument by Cadw under reference PE278.
Castle Lake Camp dates from the prehistoric period, and is classified as a promontory fort - coastal. It is one of over 32,000 scheduled monuments protected across the UK.
Castle Lake 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 PE278.
Several scheduled monuments lie within 10 km, including Cresswell Castle 100m W of Cresswell Quay (6.5 km), Cresswell Quay (6.8 km), Defended Enclosure 800m NNE of Upton Farm (7.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Castle Lake 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.
Castle Lake Camp stands on Late Carboniferous claystone, bedrock that formed in the Late Carboniferous. The rock here is major:{claystone}, Minor{siltstone,sandstone,coal}.