Hankley Common is a 560-hectare (1,400-acre) nature reserve and filming location in the south-west of Elstead in Surrey. It is owned by the Ministry of Defence. The site is part of the Thursley, Hankley and Frensham Commons Special Area of Conservation, Special Protection Area and Site of Special Scientific Interest. The site has woodland and lowland heath with heather and gorse. Birds include nightjars and Dartford warblers and there are other fauna such as adders and common lizards.