Winkelbury Hill () is a 62.95 hectare biological Site of Special Scientific Interest in Wiltshire, notified in 1971. View of Winkelbury from the west Sources English Nature citation sheet for the site (accessed 8 August 2006) Wiltshire Community History on GovUk Winklebury Hill SSSIon Natural England External links English Nature website (SSSI information) The Modern Antiquarian web site Sites of Special Scientific Interest in Wiltshire Sites of Special Scientific Interest notified in 1971