SU1000 6850. Silbury Hill is a man-made chalk and clay mound beside the A4 road, 1 mile southeast of Beckhampton. It dates from the Neolithic period of prehistory some 4,700 years ago. This famous conical-shaped hill is 130 feet high or 40 metres and, with its wide outer circular ditch, which is most noticeable at the eastern side and quite often filled with water in wet spells of weather, it covers a total area of about 5 acres (2 hectares). The base of the hill covers 167 metres, while the flat-topped surface is about 100 feet in diameter.
The first phase of building here began in 2,500 BC followed by, perhaps, another three phases of work; thousands of local workers were employed in the construction of the mound which was built in the form of a pyramid in steps or tiers – the steps being cut sarsen stones from nearby quarries. Then these…
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