The Windmill Hill culture was a name given to a people inhabiting southern Britain, in particular in the Salisbury Plain area close to Stonehenge, c. 3000 BC. They were an agrarian Neolithic people; their name comes from Windmill Hill, a causewayed enclosure. Together with another Neolithic tribe from East Anglia, a tribe whose worship involved stone circles, it is thought that they were responsible for the earliest work on the Stonehenge site.