A station on the Northern Line in Travelcard Zone 4.
It was opened by the Edgware, Highgate and London Railway on 1 April 1872 as Torrington Park, renamed Torrington Park, Woodside a month later, and given its present name 1 May 1882. It was transferred to the underground 1940, as part of the "Northern Heights" project.
The Wikipedia page is [1] and the TfL page is [2]. Video here