One Tree Hill is a peak near the village of

Hall In architecture, a hall is a relatively large space enclosed by a roof and walls. In the Iron Age and early Middle Ages in northern Europe, a mead hall was where a lord and his retainers ate and also slept. Later in the Middle Ages, the gr ...

and the Canberra suburb of

Taylor Taylor, Taylors or Taylor's may refer to: People * Taylor (surname) **List of people with surname Taylor * Taylor (given name), including Tayla and Taylah * Taylor sept, a branch of Scottish clan Cameron * Justice Taylor (disambiguation) Plac ...

. Its

trigonometrical station A triangulation station, also known as a trigonometrical point, and sometimes informally as a trig, is a fixed surveying station, used in geodetic surveying and other surveying projects in its vicinity. The nomenclature varies regionally: they a ...

lies on the border between the

Australian Capital Territory The Australian Capital Territory (commonly abbreviated as ACT), known as the Federal Capital Territory (FCT) until 1938, is a landlocked federal territory of Australia containing the national capital Canberra and some surrounding townships. ...

and

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

, Australia. It is at the north-eastern end of the longest straight-line section of the border, with

Mount Coree Mount Coree (formerly known as Pabral) is a mountain with an elevation of that is located within the Brindabella Range on the border between the Australian Capital Territory and New South Wales, Australia. The summit of the mountain is locate ...

at the south-western end. North and east of One Tree Hill, the border is formed by the watershed of the

Molonglo River The Molonglo River, a perennial river that is part of the Murrumbidgee catchment within the Murray–Darling basin, is located in the Monaro and Capital Country regions of New South Wales and the Australian Capital Territory, in Australia. Lo ...

catchment. One-Tree Trigonometrical Station is nominated in the description of the Australian Capital Territory, in the Second Schedule of the

Seat of Government Acceptance Act 1909 The ''Seat of Government Acceptance Act 1909'' is an Australian Commonwealth Government act, that in conjunction with the '' Seat of Government Surrender Act 1909'' transferred land from the state of New South Wales to the Commonwealth for the cr ...

. In 2022, it was announced that there would be a change to the straight-line section of the border; the border south-west from One Tree Hill will follow the current straight line, but only to the point where it intersects

Ginninderra Creek Ginninderra Creek, a partly perennial stream of the Murrumbidgee catchment within the Murray–Darling basin, is located in the Capital Country region spanning both the Australian Capital Territory and New South Wales, Australia. ''Ginninderr ...

. The other straight-line from Mount Coree will end at the Murrumbidgee River, with the land enclosed by the right bank of the Murrumbidgee and the left bank of Ginninderra Creek to become part of the ACT. One Tree Hill lies on the traditional lands of

Ngunnawal The Ngunnawal people, also spelt Ngunawal, are an Aboriginal people of southern New South Wales and the Australian Capital Territory in Australia. Language Ngunnawal and Gundungurra are Australian Aboriginal languages from the Pama-Nyungan ...

people. Robert Dixon in 1830 and

Robert Hoddle Robert Hoddle (21 April 1794 – 24 October 1881) was a surveyor and artist. He is best known as the surveyor general of the Port Phillip District (later known as the Australian state of Victoria) from 1837 to 1853, especially for creation of ...

, between 1830 and 1836, used One Tree Hill as a high point from where to view the area and as a landmark from which they took bearings, while surveying the area. It was the location at which

Charles Scrivener Charles Robert Scrivener (2 November 1855 – 26 September 1923) was an Australian surveyor, and the person who surveyed numerous sites in New South Wales for the selection of a site for the Australian Capital Territory and Australia's capital ...

began his detailed topographical survey of the area for the new capital site of Canberra. Later, it was an important location for the survey of the border of the new Australian Capital Territory. One Tree Hill is a popular walking destination and lies on the Canberra Centenary Trail. The lookout at the top of the hill provides a panoramic view in all directions. There is a

Telstra Telstra Group Limited is an Australian telecommunications company that builds and operates telecommunications networks and markets voice, mobile, internet access, pay television and other products and services. It is a member of the S&P/ASX 20 ...

telecommunications tower on the hill.

Reference section

Mountains of Australia Borders of the Australian Capital Territory Borders of New South Wales {{Australia-geo-stub