In 1912, the Main North Line railway was opened from Christchurch to Parnassus, with the ultimate objective of creating a line north to Picton via Blenheim and Kaikoura. The first route north followed the Leader Valley and would have required a diversion of the Hookhamsnyvy Creek. Some initial groundwork was done for this, but the outbreak of World War I in 1914 caused construction to be paused. When it resumed, a new coastal route via Hundalee was chosen, the diversion of the Hookhamsnyvy Creek permanently abandoned, and the line opened in 1945.
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