Tunney's Pasture is a 49-hectare campus in Ottawa, Ontario, Canada that is exclusively developed for federal government buildings. It is bordered by Scott Street to the south, Parkdale Avenue to the east, the Sir John A. Macdonald Parkway to the north, and Northwestern Avenue to the west. While strictly speaking it is confined to this area, people living in the vicinity of it will often call the wider neighbourhood Tunney's Pasture.