Turret 43A, known as Cockmount Hill turret, was one of the small stone watch towers built at roughly third-of-a-mile intervals along Hadrian's Wall, situated between Milecastle 43 (Great Chesters) and Milecastle 44 (Allolee) on the central sector west of Housesteads. Constructed in the 120s AD as part of the original Wall scheme, it would have stood roughly 5–6 m square with an estimated height of around 8–10 m, garrisoned by a small detachment likely drawn from the nearby fort at Great Chesters (Aesica).
Source: Pleiades — A Community-Built Gazetteer and Graph of Ancient Places. View the Pleiades record →
As part of the integrated turret-and-milecastle system, it provided observation and signalling along a stretch of Wall running across high ground south of the Whin Sill escarpment, contributing to the frontier's surveillance of movement north of the line. It is not individually distinguished in the historical record, functioning as one node in the broader frontier network.
Turret 43A has seen little modern excavation and is poorly known compared to better-preserved turrets such as 44B (Mucklebank) or 49B (Birdoswald sector); its position is recorded but no substantial structural remains are visible above ground today. Like many central-sector turrets, it was probably abandoned and demolished in the later 2nd century when the Wall garrison reorganised and many turrets were taken out of use.
Turret 43A, known as Cockmount Hill turret, was one of the small stone watch towers built at roughly third-of-a-mile intervals along Hadrian's Wall, situated between Milecastle 43 (Great Chesters) and Milecastle 44 (Allolee) on the central sector west of Housesteads. It is recorded in the Pleiades gazetteer of ancient places as a watch tower site from the Roman period in Britain.
Turret 43A (Cockmount Hill) is classified as a Roman watch tower — 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 Milecastle 43 (0.5 km), Turret 43B (Allolee East) (0.5 km), Untitled (0.5 km). Aubrey Research maps over 2,200 Roman sites across Britain, drawn from the Pleiades ancient world gazetteer.
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