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Cardurnock Marsh turret 4a is a fortlet forming part of the Hadrianic frontier system in Cumberland, situated on the Solway Firth coast. Dating to the second century AD, the structure represents one of the coastal defence installations constructed under the Roman occupation of Britain to control maritime access and monitor the frontier zone. The turret survives as earthwork remains within the landscape, preserving evidence of the Roman military engineering and strategic deployment along this remote section of the empire's northernmost British frontier. Its position within the broader network of Hadrian's Wall fortifications reflects the importance placed upon securing both land and coastal approaches during the Roman period.
Cardurnock Marsh turret 4a is a scheduled monument protected by Historic England under reference 1007184. View the official record →
Cardurnock Marsh turret 4a is a fortlet forming part of the Hadrianic frontier system in Cumberland, situated on the Solway Firth coast. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1007184.
Cardurnock Marsh turret 4a is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1007184.
Several scheduled monuments lie within 10 km, including Herd Hill (milefortlet 4) and associated parallel banks and ditches, part of the Roman frontier defences along the Cumbrian coast (0.4 km), Cardurnock (tower 4b) and earlier ditch system and patrol road, part of the Roman frontier defences along the Cumbrian coast (0.6 km), Herd Hill North (tower 3b), 175m north east of the sheep wash, part of the Roman frontier defences along the Cumbrian coast (1 km).
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