Turret 24A (Green Field) was one of the regularly spaced stone watch towers built into the curtain of Hadrian's Wall, situated between Milecastle 24 (Wall Fell) and Milecastle 25 (Codlawhope) in the central sector east of the North Tyne. Like other turrets on the Wall, it was constructed in the 120s AD under Hadrian and would have been manned by small detachments drawn from auxiliary garrisons in the nearby forts, functioning as an observation and signalling post. Most such turrets were occupied through the 2nd century and many, particularly in this stretch, were abandoned and walled up by the later 2nd or early 3rd century.
Source: Pleiades — A Community-Built Gazetteer and Graph of Ancient Places. View the Pleiades record →
As part of the integrated system of milecastles and turrets along the Wall, it contributed to surveillance and signal communication across the frontier landscape rather than serving any independent strategic or economic role. It is not individually notable beyond its place within that system.
Little has been published specifically on Turret 24A; its position is recorded but it has not been the subject of major modern excavation, and no significant finds assemblage is associated with it in the literature. Comparable turrets in this sector (e.g. 25B, 26B) typically reveal a small square stone tower roughly 4–5 m internally, with a hearth, a ground-floor entrance from the south, and modest quantities of 2nd-century coarseware and occasional military equipment.
Turret 24A (Green Field) was one of the regularly spaced stone watch towers built into the curtain of Hadrian's Wall, situated between Milecastle 24 (Wall Fell) and Milecastle 25 (Codlawhope) in the central sector east of the North Tyne. It is recorded in the Pleiades gazetteer of ancient places as a watch tower site from the Roman period in Britain.
Turret 24A (Green Field) 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 Turret 24B (Tithe Barn) (0.5 km), Milecastle 24 (Wall Fell) (0.5 km), Turret 23B (Wall Fell) (1 km). Aubrey Research maps over 2,200 Roman sites across Britain, drawn from the Pleiades ancient world gazetteer.
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