Her Majesty's Prison Maze (known colloquially as Maze Prison, The Maze, The H Blocks or Long Kesh) was a prison in Northern Ireland that was used to house paramilitary prisoners during the Troubles from mid-1971 to mid-2000.It was situated at the former Royal Air Force station of Long Kesh, on the outskirts of Lisburn. This was in the townland of Maze, about nine miles (14 km) southwest of Belfast.