High Quality Content by WIKIPEDIA articles! Hagley Park is the largest urban open space (164.637 hectares) in Christchurch, New Zealand, and was created in 1855 by the Provincial Government. According to the government`s decree at that time, Hagley Park is "reserved forever as a public park, and shall be open for the recreation and enjoyment of the public." Hagley Park is characterised by its trees and broad open spaces. Hagley Park was named after the country estate of Lord Lyttelton, who became chairman of the Canterbury Association in March 1850.