The is a railway line in Japan operated by the private railway company Tobu Railway. It branches from Tà Âbu Dà Âbutsu Kà Âen Station in Miyashiro, Saitama on the Skytree Line, extending north to Tà Âbu Nikkà  Station in Nikkà Â, Tochigi.
The line has two branch lines: the Utsunomiya Line at Shin-Tochigi Station in Tochigi, Tochigi, and the Kinugawa Line at Shimo-Imaichi Station in Nikkà Â.
, stops and service patterns are
Notes:
The Nikko Line opened (dual track and electrified) on 1 October 1929.
In 1943, the section north of Kassemba was reduced to single track and the recovered rails were used to build the Tobu Kumagaya Line.
Electric limited express services first started operating from February 1949. From October 1960, new 1720 series "Deluxe Romance car" EMUs were introduced on limited express services to and from Nikko.
From 1 June 1990, new 100 series "Spacia" EMUs were introduced on limited express services, and the maximum speed of these was raised to 120 km/h in 1992.
A connecting track at was built to the JR-East Tà Âhoku Main Line (Utsunomiya Line) from 18 March 2006, allowing through-operations of Nikkà  and Kinugawa limited express services to/from , , and .
From 17 March 2012, station numbering was introduced on all Tobu lines, with Tobu Nikko Line stations adopting the prefix "TN" in orange.
The former Skytree Train and 300 series limited express trains, Rapid, and Section Rapid services were discontinued from the start of the revised timetable on 21 April 2017.