Traveling around Australia the design of Trigonometric Stations or ‘Trig’ varies from state to state. Trigs are often in the form of a metal structure, wooden structure, concrete pillars, concrete pillars with vanes, bronze survey discs set in stone or a stone cairn. Stone cairns vary from a loose pile of rocks to substantial or complex structures 2 or 3 metres high. Trigs are well-known as collectables to geocache treasure hunters.
Photos: © Copyright 2013-2017 Andrew VK1AD. All Rights Reserved
Here is a collection of Trig station pictures by country and state, the first picture is a trig station on the summit of Helwangspitz 2000 m ASL in Liechtenstein.
Summit of Schober SOTA peak OE/OO265 1328 metres ASL, near Salzburg (May 2016)
Summit of Krippenstein SOTA peak OE/OO-012 2108 metres ASL, Austria (May 2016)
Pfänder Trig Station 1064 metres ASL, Bregenz
United Kingdom (UK)
Shining Tor 559 metres ASL in the UK Peak District
Australian Capital Territory (ACT)
Davidson Trig Station: a white quadripod supporting a black disc-vane. The quadripod style is common to the ACT.
Bimberi Peak 1913 metres ASL
Mt Clear Trig Station 1603 metres ASL, Namadgi National Park
Mt Majura Trig Station 890 metres ASL
Mt Oakey Trig
Tuggeranong Hill Trig Station 855 metres ASL
Mt Rob Roy Vintage trig station 1099 metres ASL: triangular steel legs supporting a timber post trig
Mt Domain stone cairn 1506 metres ASL, Namadgi National Park
Tidbinbilla Mountain stone cairn elevation 1605 metres ASL, Namadgi National Park
Mt Naas 1250 metres ASL – small stone cair
Bulls Head, Mount Franklin Road
Where in the Australian Capital Territory is this benchmark (BM) survey marker plate (general location say within 1 km)?
Who’s into Geocaching, do you know the precise location?
Clues: Space, STS, year 1981 and the number 26 🙂
Benchmark Suervey Plate found in Lyons, ACT (Nov 2016)
New South Wales
Snowy Hydro Authority Survey Plate
Big Badja, Snowy Mountains, NSW
Mt Nungar, Snowy Mountains NSW
Mt Perisher, Snowy Mountains NSW
Tantangara Mountain Trig Station, Snowy Mountains NSW
Mt Twynam, Snowy Mountains NSW
Concrete pillar Trig Station
Stone Cairn Trig Stations
A unique large stone cairn
Large stone cairns
Bald Mountain, Gourock National Park
Mt Wee Jasper
Wyanbene Caves Mountain
Elevated concrete pillar trig station
Loose pile of rocks – fairly ordinary
Short vane Trig Station
Mt Buller Trig Station (C. Herbert 2014) – This unique Trig Station is housed inside the Mt Buller Fire Lookout Tower. This trig station can only be viewed from the inside of the fire tower.
Mt Buller fire lookout tower. Photo by C.Herbert.
The Papps – Vane Trig Station common to Victoria
The Twins 1703 metres ASL
The Twins stone cairn 1703 metres ASL
Mt Porepunkah 1185 metres ASL
Australian Survey Corps (Army) Triangulation Stations
Mt Samaria 957 metres ASL
Huon Hill 425 metres ASL, Wodonga
Mt Little Joe, near Warburton.
Large stone cairn
Tall stone cairn
Direction plate stone cairn
Elevated direction plate
First published: 30 April 2014
Last Update: 24 April 2017: walk to Mount Marulan
Photos: © Copyright 2013-2017 Andrew Moseley