The Main North Line is a major railway in New South Wales, Australia. It runs through Strathfield to Armidale. The line is the main line between Sydney and Armidale. As of 1988, the line closed progressively north of Armidale with services gradually withdrawn till 2004, with the main route between Sydney and Brisbane now the North Coast line.

Armidale is a city in the Northern Tablelands, New South Wales, Australia. Armidale had a population of 23,967 as of the 2021 census. It is the administrative centre for the Northern Tablelands region. It is approximately halfway between Sydney and Brisbane at the junction of the New England Highway and Waterfall Way.