The

Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an Australian territory in the central and central northern regions of Australia. The Northern Territory shares its borders with Western Aust ...

(NT) occupies the north central part of the continent of Australia. The

Northern Territory borders Today the Northern Territory's land borders are defined to the west by the 129° east longitude (129° east) with Western Australia, to the south by the 26th parallel south latitude (26° south) with South Australia and to the east by 138° east ...

are to the west with

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

, the

Western Australia border The land border of the state of Western Australia (WA) bisects mainland Australia, nominally along 129th meridian east longitude (129° East). That land border divides WA from the Northern Territory (NT) and South Australia (SA). However, for v ...

being near the 129° east

longitude Longitude (, ) is a geographic coordinate that specifies the east– west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek lette ...

(129° east). The NT to the south with the South Australian border being the

26th parallel south The 26th parallel south latitude is a circle of latitude that is 26 degrees south of Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Australia, the Pacific Ocean and South America. Around the world Starting ...

latitude In geography, latitude is a coordinate that specifies the north– south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north pol ...

(26° south). To the east the NT with the Queensland border along the 138° east longitude (138° east).

Climate

The Northern Territory has two distinctive climate zones - a

tropical climate Tropical climate is the first of the five major climate groups in the Köppen climate classification identified with the letter A. Tropical climates are defined by a monthly average temperature of 18 °C (64.4 °F) or higher in the cool ...

in the north and a

desert climate The desert climate or arid climate (in the Köppen climate classification ''BWh'' and ''BWk''), is a dry climate sub-type in which there is a severe excess of evaporation over precipitation. The typically bald, rocky, or sandy surfaces in deser ...

in the rest of the territory. The wet season (October to April) has

monsoon A monsoon () is traditionally a seasonal reversing wind accompanied by corresponding changes in precipitation but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with annual latitudinal osci ...

rains and sometimes

tropical cyclones A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Dependi ...

. The highest temperature recorded in the Northern Territory was at Aputula on 1 and 2 January 1960. The lowest temperature was at Alice Springs on 17 July 1976.

Coastal boundaries

In the

Top End The Top End of Australia's Northern Territory is a geographical region encompassing the northernmost section of the Northern Territory, which aside from the Cape York Peninsula is the northernmost part of the Australian continent. It covers a ra ...

of the Territory is a 5500 km coastline, extending from the

Joseph Bonaparte Gulf Joseph Bonaparte Gulf is a large body of water off the coast of the Northern Territory and Western Australia and part of the Timor Sea. It was named after Joseph Bonaparte, brother of Napoleon and King of Naples (1806-1808) and then Spain (1808 ...

Timor Sea The Timor Sea ( id, Laut Timor, pt, Mar de Timor, tet, Tasi Mane or ) is a relatively shallow sea bounded to the north by the island of Timor, to the east by the Arafura Sea, and to the south by Australia. The sea contains a number of reefs ...

in the west to the Gulf of Carpentaria in the east. The various islands make up another 5500 km of coastline, resulting in a total of almost 11,000 km. The southern part of the Territory ( Central Australia) is extremely arid. Alice Springs and the surrounding communities make the total population of Central Australia around 60,000 people. There are also large Cattle Stations and significant areas protected around the area. Major transportation in Central Australia mainly comes from road and rail. There are many very small settlements scattered across the Territory but the larger population centres are located on the single sealed road that links Darwin to southern Australia, the

Stuart Highway Stuart Highway is a major Australian highway. It runs from Darwin, in the Northern Territory, via Tennant Creek and Alice Springs, to Port Augusta in South Australia; a distance of . Its northern and southern extremities are segments of Aus ...

, known to locals simply as "the track".

Geographical features

The coastline in the

includes three of Australia's largest islands,

Groote Eylandt Groote Eylandt ( Anindilyakwa: ''Ayangkidarrba'' meaning "island" ) is the largest island in the Gulf of Carpentaria and the fourth largest island in Australia. It was named by the explorer Abel Tasman in 1644 and is Dutch for "Large Island" i ...

, Bathurst Island and the largest, Melville Island. The highest point in the Territory is Mount Zeil at 1,531 metres (5021.68 ft) and is situated in the MacDonnell Ranges. In the northern part of the territory lies

Kakadu National Park Kakadu National Park is a protected area in the Northern Territory of Australia, southeast of Darwin. It is a World Heritage Site. Kakadu is also gazetted as a locality, covering the same area as the national park, with 313 people recorded liv ...

, that features wetlands and native wildlife. To the north of that is the

Arafura Sea The Arafura Sea (or Arafuru Sea) lies west of the Pacific Ocean, overlying the continental shelf between Australia and Western New Guinea (also called Papua), which is the Indonesian part of the Island of New Guinea. Geography The Arafura S ...

, and to the east Arnhem Land, whose regional centre is

Maningrida Maningrida, also known as Manayingkarírra and Manawukan, is an Aboriginal community in the heart of the Arnhem Land region of Australia's Northern Territory. Maningrida is east of Darwin, and north east of Jabiru. It is on the North Central ...

on the Liverpool River delta. Much of the Territory is relatively flat, but has some disconnected ranges, including the sandstone plateau of western Arnhem Land. Long mountain ranges are more a feature of Central Australia, these include the MacDonnell Ranges, the Petermann Ranges, and

Harts Range Harts Range is a town in the Northern Territory of Australia located on the Plenty Highway by road northeast of Alice Springs. Most of its population are of Aboriginal descent, residing in the nearby community of Atitjere. Since 1947, each y ...

. The

also has the natural rock formations of

Uluru Uluru (; pjt, Uluṟu ), also known as Ayers Rock ( ) and officially gazetted as UluruAyers Rock, is a large sandstone formation in the centre of Australia. It is in the southern part of the Northern Territory, southwest of Alice Spring ...

and

Kata Tjuta Kata Tjuṯa / The Olgas (Pitjantjatjara: , lit. 'many heads'; ) is a group of large, domed rock formations or bornhardts located about southwest of Alice Springs, in the southern part of the Northern Territory, central Australia. Uluṟu / Aye ...

, which are sacred to the local

Aboriginal people Indigenous peoples are culturally distinct ethnic groups whose members are directly descended from the earliest known inhabitants of a particular geographic region and, to some extent, maintain the language and culture of those original people ...

. The northern portion of the territory is principally tropical savannas, composed of several distinct ecoregions –

Arnhem Land tropical savanna The Arnhem Land tropical savanna is a tropical and subtropical grasslands, savannas, and shrublands ecoregion in Australia's Northern Territory. Geography The ecoregion occupies the peninsula of Arnhem Land and its offshore islands, includin ...

Carpentaria tropical savanna The Carpentaria tropical savanna is a tropical and subtropical grasslands, savannas, and shrublands ecoregion in northern Australia. Geography The ecoregion lies in northwestern Queensland and northeastern Northern Territory, south of the ...

Kimberley tropical savanna The Kimberley tropical savanna is a tropical and subtropical grasslands, savannas, and shrublands ecoregion in northwestern Australia, covering portions of Western Australia and the Northern Territory south of the Timor Sea. Geography The ec ...

, Victoria Plains tropical savanna, and

Mitchell Grass Downs The Mitchell Grass Downs is a tropical and subtropical grasslands, savannas, and shrublands ecoregion in northeastern Australia. It is a mostly treeless grassland, characterised by Mitchell grasses (''Astrebla'' spp.). Location and descrip ...

. The southern portion of the territory is covered in

deserts and xeric shrublands Deserts and xeric shrublands are a biome defined by the World Wide Fund for Nature. Deserts and xeric (ancient Greek xērós, “dry") shrublands form the largest terrestrial biome, covering 19% of Earth's land surface area. Ecoregions in this h ...

, including the

Great Sandy-Tanami desert Great may refer to: Descriptions or measurements * Great, a relative measurement in physical space, see Size * Greatness, being divine, majestic, superior, majestic, or transcendent People * List of people known as "the Great" *Artel Great (born ...

Simpson Desert The Simpson Desert is a large area of dry, red sandy plain and dunes in the Northern Territory, South Australia and Queensland in central Australia. It is the fourth-largest Australian desert, with an area of . The desert is underlain by the ...

, and Central Ranges xeric scrub. Each ecoregion consists of one or more

IBRA region The Interim Biogeographic Regionalisation for Australia (IBRA) is a biogeography, biogeographic regionalisation of Australia developed by the Australian government's Department of Sustainability, Environment, Water, Population and Communities ( ...

s. The

has the two largest deserts in Australia, the

Tanami Desert The Tanami Desert is a desert in northern Australia, situated in the Northern Territory and Western Australia. It has a rocky terrain with small hills, and cacti. The Tanami was the Northern Territory's final frontier and was not fully explored b ...

(184,500 km)² in the northern part of the Territory, and the

(176,500 km)² of Central Australia. There is a series of river systems in the Northern Territory that include

Alligator Rivers Alligator Rivers is the name of an area in an Arnhem Land region of the Northern Territory of Australia, containing three rivers, the East, West, and South Alligator Rivers. It is regarded as one of the richest biological regions in Australia, ...

, Daly River (with its major tributary the

Katherine River Katherine River is located in the Northern Territory, Australia. Its headwaters are in Nitmiluk National Park, it flows through the town of Katherine, and is a major tributary of the Daly River. The Katherine River drops around 384m over its 328 ...

), Finke River,

McArthur River The McArthur River is a river in the Northern Territory of Australia which flows into the Gulf of Carpentaria at Port McArthur, opposite the Sir Edward Pellew Group of Islands. The river was named by Ludwig Leichhardt while he explored the are ...

Roper River The Roper River is a large perennial river located in the Katherine region of the Northern Territory of Australia. Location and features Formed by the confluence of the Waterhouse River and Roper Creek, the Roper River rises east of Mataranka ...

Todd River The Todd River (Arrernte language, Arrernte: ''Lhere Mparntwe'') is an Ephemeral, ephemeral river in the southern Northern Territory, central Australia. The origins of the Todd River are in the MacDonnell Ranges, where it flows past the Alice ...

and Victoria River. The Victoria River is the longest river in the

and flows for . The Hay River is east of Alice Springs, with the Marshall River, Arthur Creek, Camel Creek and Bore Creek as tributaries.

References

{{Australia topic, title=

Geography of Australia The geography of Australia encompasses a wide variety of biogeographic regions being the world's smallest continent, while comprising the territory of the sixth-largest country in the world. The population of Australia is concentrated along ...

, prefix=Geography of, VI=Victoria Northern