The Shire Ditch, or Red Earl's Dyke, runs north and south of British Camp along the ridge of the hills. It was created in 1287 by Gilbert de Clare, the Earl of Gloucester, following a boundary dispute with Thomas de Cantilupe, the Bishop of Hereford. Recent research has shown that the Shire Ditch might actually be much older. Indeed, there is some evidence that it may have started life as a prehistoric trackway running from Midsummer Hill fort to the Worcestershire Beacon, the highest hill in the range over three miles to the north of the Camp.