Turret 47A (Foultown) is one of the regularly spaced stone watch towers built into the curtain of Hadrian's Wall, sited in the central sector west of Greatchesters (Aesica) fort, between Milecastles 47 and 48. Like other turrets on this stretch, it was constructed in the 120s AD as part of Hadrian's original frontier scheme and would have functioned as a signalling and observation post manned by small detachments drawn from the nearest auxiliary garrison, probably until later 2nd-century reorganisations saw many central-sector turrets abandoned.
Source: Pleiades — A Community-Built Gazetteer and Graph of Ancient Places. View the Pleiades record →
Its role was purely military and observational, providing intervisibility along the Wall and overwatch of the approaches across the Tyne–Irthing watershed; it carries no particular distinction among the Wall's turrets beyond its place within that systematic frontier surveillance network.
Very little is recorded specifically for Turret 47A; it has not been the subject of major published excavation, and its remains are slight compared with better-preserved turrets in this sector such as 48A (Willowford East) and 49B (Birdoswald). Standard turret form — a roughly 4 m square internal chamber bonded into the Wall, with a ground-floor doorway and probable timber upper storey — can reasonably be inferred from comparanda.
Turret 47A (Foultown) is one of the regularly spaced stone watch towers built into the curtain of Hadrian's Wall, sited in the central sector west of Greatchesters (Aesica) fort, between Milecastles 47 and 48. It is recorded in the Pleiades gazetteer of ancient places as a watch tower site from the Roman period in Britain.
Turret 47A (Foultown) 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 47 (Chapel House) (0.5 km), Turret 47B (Gap) (0.5 km), Chapel Rigg Roman temporary camp (0.8 km). Aubrey Research maps over 2,200 Roman sites across Britain, drawn from the Pleiades ancient world gazetteer.
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