The Harrogate line is a passenger rail line through parts of North Yorkshire and the West Yorkshire area of northern England connecting Leeds to York by way of Harrogate and Knaresborough. Service on the line is operated by Northern, with a few additional workings by London North Eastern Railway starting and terminating at Harrogate. West Yorkshire Metro's bus and rail MetroCard ticket is available for journeys between Leeds and Harrogate.

North Yorkshire is a ceremonial county in the Yorkshire and the Humber and North East regions of England. It borders County Durham to the north, the North Sea to the east, the East Riding of Yorkshire to the south-east, South Yorkshire to the south, West Yorkshire to the south-west, and Cumbria and Lancashire to the west. Northallerton is the county town.