Silbury Hill is the largest manmade hill in Europe. It was constructed 4600 years ago, used by the Romans as a marker to construct their road (now the A4) and then as a hillfort by the Saxons. It is now a Scheduled Ancient Monument within the World Heritage Area of Avebury.
Please respect the history of this location when you visit and follow this code of practice. In particular, climbing this hill is forbidden because it is unstable and climbing it causes damage.
An Ordnance Survey map for the location is available at this web site.
In order to claim this cache, go to the information board and consult the paragraph on the picture. According to this paragraph, what did people use to prise out lumps of chalk? Please message this information to us.
Under no circumstances should you post the answers in your log or post photographs of the answer. You must physically visit this cache in order to log it, please do not abuse this requirement (I regret that I will have to delete logs that do not meet these requirements).
Please check out the Geocaching Association of Great Britain offering support for Geocachers in GB.