Tags: World Heritage Site.
The Sanctuary is a prehistoric site on Overton Hill located around 5 miles west of Marlborough in the English county of Wiltshire.It is part of a wider Neolithic landscape which includes the nearby sites of Silbury Hill West Kennet Long Barrow and Avebury to which The Sanctuary was linked by the 25m wide and 2.5 km long Kennet Avenue.