Hengistbury Head is a headland jutting into the English Channel between Bournemouth and Mudeford in the English county of Dorset. It is a site of international importance in terms of its archaeology and is scheduled as an Ancient Monument. Declared a Local Nature Reserve in 1990, the head and its surroundings form part of the Christchurch Harbour Site of Special Scientific Interest. It is also a Special Area of Conservation, Special Protection Area, an Environmentally Sensitive Area and a Site of Nature Conservation Interest. The name "Hengistbury Head" refers to the immediate area; the elevated portion is called Warren Hill.