sentences:  Balmoral is formerly a station on the alignment of the Main Southern railway line, and is known variously as 'Big Hill Lower Siding' (1878), 'Bargo' (1881), and 'Balmoral' (1888).On the New South Wales Government Railways Secretariat map, the locality is identified as Balmoral Private Village.In 1919, the Picton-Mittagong Deviation opened.