Mains Rigg signal tower was a small Roman military watch tower located south of Hadrian's Wall in the Tipalt valley, on a ridge between the Stanegate forts of Nether Denton and Throp. Excavations established it as a stone tower 6.5 m square, set within a ditched enclosure, and it is generally associated with the Stanegate frontier system of the late 1st to early 2nd century AD, possibly continuing in use into the Hadrianic period.
Source: Pleiades — A Community-Built Gazetteer and Graph of Ancient Places. View the Pleiades record →
The tower formed part of the line of signal stations along the Stanegate road that linked the pre-Hadrianic frontier forts, providing observation and signalling capability across the Tipalt-Irthing watershed. Its sightlines to Nether Denton and Throp make it a key piece of evidence for the existence of a coordinated pre-Wall frontier surveillance network in this sector.
Excavations by F.G. Simpson in 1928 and by Charlesworth in 1971–72 revealed stone foundations of a tower 6.5 m square with walls roughly 1 m thick, surrounded by a ditch; finds were sparse but consistent with a Trajanic to early Hadrianic date. No substantial internal structures or extensive artefact assemblage were recovered, which is typical of these short-lived, lightly-occupied signal posts.
Mains Rigg signal tower was a small Roman military watch tower located south of Hadrian's Wall in the Tipalt valley, on a ridge between the Stanegate forts of Nether Denton and Throp. It is recorded in the Pleiades gazetteer of ancient places as a watch tower site from the Roman period in Britain.
Mains Rigg signal tower 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 50 (Turf Wall) (High House) (0.9 km), Turret 49B (Turf Wall) (0.9 km), Turret 49B (Birdoswald) (1 km). Aubrey Research maps over 2,200 Roman sites across Britain, drawn from the Pleiades ancient world gazetteer.
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