Chûn Castle is a stone-built hillfort on a granite hilltop in West Penwith, Cornwall, constructed in the later Iron Age c. 3rd–2nd century BC and occupied into the Roman period, with evidence of reoccupation in the early post-Roman/Dark Age era (c. 5th–7th century AD). It is unusually well preserved, comprising two concentric drystone ramparts (the inner once standing several metres high) enclosing a circular area roughly 85 m across, with a staggered, defended entrance on the south-west. Inside lie the foundations of round huts and later rectilinear structures.
Source: Pleiades — A Community-Built Gazetteer and Graph of Ancient Places. View the Pleiades record →
Chûn sat within a landscape rich in tin and copper, close to the streamworks of the Penwith moors, and is widely interpreted as a high-status defended settlement controlling local metalworking and trade — a role that may explain its apparent revival in the post-Roman centuries when Cornish tin again entered Mediterranean exchange networks. It lies beyond the formal Roman military zone, in a region where indigenous social structures persisted under nominal imperial authority.
Excavations by E.T. Leeds (1925–27) and again by Ralegh Radford recovered Iron Age pottery, evidence of tin smelting (slag and a possible furnace), and imported Mediterranean sherds — including Phocaean Red Slip and amphora fragments — confirming 5th–6th century AD activity. The
Chûn Castle is a stone-built hillfort on a granite hilltop in West Penwith, Cornwall, constructed in the later Iron Age c. It is recorded in the Pleiades gazetteer of ancient places as a fort site from the Roman period in Britain.
Chûn Castle is classified as a Roman fort — a military site in the Pleiades ancient world gazetteer. Roman Britain's archaeology encompasses thousands of sites ranging from legionary fortresses and marching camps to villas, temples and towns.
Several Roman sites lie within a short distance, including Iron Age to Roman settlement with incorporated fogou and adjacent post-medieval cottage at Carn Euny (5.1 km), Chysauster Ancient Village (6.8 km), Magor (24.6 km). Aubrey Research maps over 2,200 Roman sites across Britain, drawn from the Pleiades ancient world gazetteer.
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