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Caister-on-Sea is a Roman fort in Norfolk, England, established during the late third century as part of the coastal defence system known as the Saxon Shore. The fort, originally called Gariannonum, was constructed to protect against Saxon and other Germanic raids on the east coast of Roman Britain. Substantial remains of the fort's defensive walls survive, standing to considerable height and constructed of flint and mortar, making them among the most impressive Roman structures visible in East Anglia. The site was occupied into the early Saxon period, demonstrating continuity of settlement following the Roman withdrawal from Britain in the early fifth century.
Caister-on-Sea Roman fort and Saxon settlement is a scheduled monument protected by Historic England under reference 1015268. View the official record →
Caister-on-Sea is a Roman fort in Norfolk, England, established during the late third century as part of the coastal defence system known as the Saxon Shore. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1015268.
Caister-on-Sea Roman fort and Saxon settlement is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1015268.
Several scheduled monuments lie within 10 km, including Caister Castle (1.2 km), Midsands Cross on Crosstead road (2.4 km), Second World War Heavy Anti-Aircraft (HAA) Battery, 345m east of Decoy Farm, Mautby (3.2 km).
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