Ancient Sites in AveburyAncient Sites in AveburyWest Kennet Long BarrowWest Kennet Long Barrow is a Neolithic burial mound dating back about 5,500 years. It is one of the largest and best-preserved examples of a chambered tomb in southern England.# West Kennet Long Barrow Entrance The SanctuaryIn 1930, the location was re-discovered from Stukeley's illustrations and the site was excavated. Further excavation, carried out in 1999, revealed a more complex sequence of construction and use than previously thought. Silbury HillSilbury Hill is a large, man-made prehistoric mound of unknown purpose. There are many legends about Silbury Hill, one of the more well-known being that there is a life-size gold statue of an ancient king on his horse buried within the mound.