Poeppel Corner, Tripoint marker in Simpson Desert, Australia.
The Poeppel Corner survey marker stands at the precise intersection where Queensland, South Australia, and Northern Territory borders meet at coordinates 26°S 138°E.
Augustus Poeppel established this border point in 1880 during the colonial survey, though the initial marker required correction due to measurement inaccuracies.
The survey teams relied on Aboriginal knowledge to locate water sources while traversing the remote desert landscape during the border demarcation process.
Four-wheel drive vehicles are essential to reach this remote location, situated approximately 174 kilometers west of Birdsville through the Simpson Desert.
This geographical point experiences three different New Year celebrations at 30-minute intervals due to its position at the intersection of three time zones.
Location: Northern Territory
Location: Queensland
Location: South Australia
Part of: political border
GPS coordinates: -25.99690,137.99900
Latest update: March 3, 2025 03:43
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