Milecastle 9 was a small fortlet on Hadrian's Wall, situated between Turret 8b and Turret 9a in the sector west of Newcastle (Pons Aelius), in the eastern stone-built portion of the Wall. Like other milecastles, it was constructed in the 120s AD under Hadrian and would have been garrisoned by a detachment of auxiliary infantry, likely numbering between 8 and 32 men, controlling a gated north–south passage through the Wall. The site remained in use, with periods of repair and modification, into the late Roman period, though specific occupation phases here are poorly documented.
Source: Pleiades — A Community-Built Gazetteer and Graph of Ancient Places. View the Pleiades record →
Its main role was to monitor and regulate movement across the frontier at this point, combining policing, customs, and signalling functions in conjunction with the flanking turrets. It is not distinguished from other eastern-sector milecastles by any unusual feature in the surviving record.
The milecastle has effectively been destroyed by later development along the line of the Military Road (B6318) and surrounding land use west of Newcastle, and no upstanding remains survive; its position is inferred from spacing along the Wall rather than from excavation. No significant published excavation has been undertaken at Milecastle 9, and finds from the site are correspondingly sparse.
Milecastle 9 was a small fortlet on Hadrian's Wall, situated between Turret 8b and Turret 9a in the sector west of Newcastle (Pons Aelius), in the eastern stone-built portion of the Wall. It is recorded in the Pleiades gazetteer of ancient places as a fortlet site from the Roman period in Britain.
Milecastle 9 (Chapel House) is classified as a Roman fortlet — 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 Turret 9A (0.5 km), Turret 8B (Union Hall) (0.5 km), Turret 9B (Walbottle) (0.9 km). Aubrey Research maps over 2,200 Roman sites across Britain, drawn from the Pleiades ancient world gazetteer.
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