Piriaka was a station on the North Island Main Trunk line,[1] in the Ruapehu District of New Zealand, serving Piriaka.

It formally opened on 9 November 1908, though it was renamed from Pirihaka on 25 April 1902[2] and work was well advanced by 1903,[3] with the rails laid south of Piriaka by May 1904.

[2] The level crossing, on what is now SH4, was replaced by a concrete bridge in 1937.

[5] The railway delivered cream to Kaitieke butter factory,[6] which opened at Piriaka in 1913[7] and produced over 400 tons of butter in 1923.

[8] By 1937 roads had improved, but the railway was still taking some supplies to the factory.