The Great Pendragon Campaign
Yarnbury castle is an ancient site in Salisbury. Over 500 years ago (between 300 and 100 BC) earthworks and a wooden fort stood on this site. For unknown reasons the fort was abandoned and destroyed. Only the main earthworks remain to this day.
The earthworks at Yarnbury consisted of three ramparts with outer ditches. The outer ramparts measure up to 3.5 m (11 ft) high, and the ditches a further 1.7 m (5.6 ft) deep, and are encroached upon by the centre rampart in places, suggesting that the inner and centre rampart are a later feature. The overall width of the earthworks is generally uniform at around 17 m (56 ft). The earthworks are generally well preserved, except in the northeastern side where the outermost ditch has been lost.. In the centre of the hillfort lies an earlier and smaller single banked enclosure of 5.2 ha (13 acres) in area, and with an entrance in the western side of the earthwork.
The main entrance to the hillfort lies on the eastern side of the site, with a complex of earthwork fortifications. There is a further entrance at the northern end.
Because of the remaining earthworks, building a Motte-and-baily would not be overly expensive, could provide the nearby manors with added security and the knights in charge added prestige and glory.
North of the castle, hidden by a small but thick forest and lush green hills lies a cold and clear lake.