Silbury Hill is a prehistoric artificial chalk mound near Avebury in Wiltshire. At 39.3 metres (129 ft) high, it is the second tallest prehistoric man-made mound in Europe and similar in volume to contemporary Egyptian pyramids[1]. Part of the Stonehenge, Avebury and Associated Sites UNESCO World Heritage Site, the site is in the care of English Heritage[1].
Silbury Hill

| Type | Mound/tumulus |
|---|---|
| Period | 3000 - 1500 BC |
| Country | England |
| Coordinates | 51.4158° N, 1.8574° W |
England