Belbury Castle is the name given to an Iron Age earthwork, probably a hill fort or livestock enclosure, close to Ottery St Mary in Devon, England. The earthwork is on part of a hilltop at approximately above sea level.R. R. Sellman, Aspects of Devon History (Devon Books, 1985), p. 11 (map).
The ancient site was known as 'bigulfesburh' or Beowulf's burgh.
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