The North Riding of Yorkshire was one of the three historic subdivisions (ridings) of the English county of Yorkshire, alongside the East and West Ridings. From the Restoration it was used as a Lieutenancy area. The three ridings were treated as three counties for many purposes, such as having separate Quarter Sessions. An administrative county was created with a county council in 1889 under the Local Government Act 1888 on the historic boundaries. In 1974 both the administrative county and the Lieutenancy of the North Riding of Yorkshire were abolished, being succeeded in most of the Riding by the new non-metropolitan county of North Yorkshire.
The highest point in the North Riding was Mickle Fell at 788 metres (2585 ft).