Milecastle 46 lies on Hadrian's Wall between Carvoran (Magnis) fort and Walltown Crags, in a stretch where the Wall climbs onto the Whin Sill escarpment. Like other milecastles, it was built in the 120s AD under Hadrian and would have been occupied, with interruptions, into the late 4th century; it would have housed a small garrison detachment (typically 8–32 men) controlling a gateway through the Wall. Its precise plan-type (long-axis or short-axis) is not securely established in published syntheses known to me.
Source: Pleiades — A Community-Built Gazetteer and Graph of Ancient Places. View the Pleiades record →
Its position immediately east of Carvoran fort, near the junction of the Wall with the Stanegate road and the Maiden Way running north from the Pennines, placed it in a particularly busy nexus of frontier traffic and supply. This was one of the more strategically dense sectors of the Wall, with the Vallum, Stanegate, Wall and a fort all converging within a short distance.
Milecastle 46 lies on Hadrian's Wall between Carvoran (Magnis) fort and Walltown Crags, in a stretch where the Wall climbs onto the Whin Sill escarpment. It is recorded in the Pleiades gazetteer of ancient places as a frontier / wall site from the Roman period in Britain.
Milecastle 46 (Carvoran) is classified as a Roman frontier / wall — 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 Magnis (0.3 km), Turret 45B (Walltown West) (0.5 km), Turret 46A (0.5 km). Aubrey Research maps over 2,200 Roman sites across Britain, drawn from the Pleiades ancient world gazetteer.
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