Summary: A very easy-to-reach trig, Cook Trig Station is located in North Wahroonga. A plaque on the concete plinth details the history of the trig.

One the easiest trig stations to get to, the Cook Trig is located at Cook Trig Place, in North Wahroonga. The concrete plint is in good condition, although the mast and vanes have been removed.

Cook Trig Station

Unlike many of the abandoned and derelict trig stations in the bush, this one has been preserved and a plaque on the concrete plinth summarises its history.

Cook Trig Station is part of the early trigonometric survey of the local area. It is an important landmark and is one of the highest points in the district.

The station forms part of a group of thirty trigs stations in the Ku-ring-gai ‘area’.

Cook Trig Station is associated with four nearby recovery points. Two of these are located adjacent to
the station, and two others are located about thirty/forty metres away. The three recovery points on
the property are identified by plaques. The fourth recovery point is located on the adjacent Crown Reserve.

Land to the south of the Hawkesbury River, including the Ku-ring-gai National Park, mapped by Surveyor General Major Mitchell

Cook Trig Station established with a stone cairn and survey plug

From 1891.
Residential development in north Wahroonga

Stone cairn and vane renewed

1974. Concrete pillar erected over a Trig cover box with new stainless steel survey plate installed above the Trig plug. Four associated recovery points erected on site.

Storm damage causing mast and vanes to be removed

Residential development of site.

A stainless steel “direction plate” on the top of the trig shows the bearing and distances of four other trig stations and three of “Recovery Marks”:
Terrey Hills: 67º 14′
Baha’i Temple: 71º 14′
Recovery Mark 202º (3.11m)
Hornsby Heights: 313º
Recovery Mark 333º (4.12m)
Recovery Mark 334º (31.70m)
Berowa: [sic] 359º

Cook Trig Station steel direction plate

Getting to Cook Trig

You can park a few metres from the trig point, which is next to Cook Trig Place (which is off Highpoint Drive, near Grosvenor St) in North Wahroonga.


Cook Trig Station

More Trig Stations around Australia

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