The Nullarbor Plain is part of the area of flat, almost treeless, arid or semi-arid country of southern Australia, located on the Great Australian Bight coast with the Great Victoria Desert to its north. It is the world's largest single exposure of limestone bedrock, and occupies an area of about 200,000 square kilometres (77,000 sq mi). At its widest point, it stretches about 1,100 kilometres (684 mi) from east to west across the border between South Australia and Western Australia.
The Great Australian Bight is a large oceanic bight, or open bay, off the central and western portions of the southern coastline of mainland Australia.
Eyre Highway is a 1,664-kilometre (1,034 mi) highway linking Western Australia and South Australia via the Nullarbor Plain. Signed as National Highways 1 and A1, it forms part of Highway 1 and the Australian National Highway network linking Perth and Adelaide. It was named after explorer Edward John Eyre, who was the first European to cross the Nullarbor by land, in 1840–1841. Eyre Highway runs from Norseman in Western Australia, past Eucla, to the state border. Continuing to the South Australian town of Ceduna, it crosses the top of the Eyre Peninsula before reaching Port Augusta.
Eucla is the easternmost locality in Western Australia, located in the Goldfields-Esperance region of Western Australia along the Eyre Highway, approximately 11 kilometres (7 mi) west of the South Australian border. At the 2016 Australian census, Eucla had a population of 53.
Caiguna is a small roadhouse community located on the Eyre Highway in Western Australia. It is the second stop east of Norseman on the journey east across the Nullarbor Plain. Between Balladonia and Caiguna is a 146.6-kilometre (91.1 mi) stretch of the highway which is one of the longest straight stretches of road in the world. The unofficial Central Western Time (CWT) starts shortly east of Caiguna, heading eastward.
Cocklebiddy is a small roadhouse community located on the Eyre Highway in Western Australia. It is the third stop after Norseman on the journey eastwards across the Nullarbor Plain. Like other locations in the region, the site consists of little more than a roadhouse. The current business name of the roadhouse is the Wedgetail Inn and, like most other Nullarbor establishments, has access to satellite television, as well as providing caravan park and hotel-motel facilities.
Mundrabilla is in a very sparsely populated area in the far south east of Western Australia. The two significant features are Mundrabilla Roadhouse and Mundrabilla Station, which are approximately 35 kilometres (22 mi) apart. At the 2016 census, Mundrabilla had a population of 23, 32% male and 68% female. The time zone in use is UTC+08:45.
Balladonia is a small roadhouse community located on the Eyre Highway in Western Australia. It is the first stop east of Norseman on the journey east across the Nullarbor Plain. Between Balladonia and Caiguna is a 146.6-kilometre (91.1 mi) stretch of the highway which is one of the longest straight stretches of road in the world.
The Eucla Basin is an artesian depression located in Western Australia and South Australia. The onshore-offshore depression covers approximately 1,141,000 km2 and slopes southward to an open bay known as the Great Australian Bight.
Nullarbor is a locality in the Australian state of South Australia located 295 kilometres (183 mi) to the west of the town of Ceduna in the western part of the state immediately adjoining the border with Western Australia.
Hampton is an interim Australian bioregion located in southeastern coastal Western Australia, with a small portion (4%) extending into adjacent South Australia. It has an area of 1,088,198 hectares. The Hampton bioregion is part of the Coolgardie woodlands ecoregion.
Nullarbor Links is an 18-hole par 72 golf course, said to be the world's longest, situated along 1,365 kilometres of the Eyre Highway along the southern coast of Australia in two states, notably crossing the Nullarbor Plain at the head of the Great Australian Bight.
The Bunda Cliffs, also known as the Nullarbor Cliffs, are a coastal scarp on the southern coast of Australia, extending from the western coast of South Australia to the south-eastern corner of Western Australia.
Nurina Land District is a land district of Western Australia, located within the Eucla Land Division on the Nullarbor Plain. It spans roughly 31°00'S - 32°20'S in latitude and 125°30'E - 127°30'E in longitude.
Border Village is a settlement located in South Australia within the locality of Nullarbor on the Eyre Highway at the border with Western Australia.
Madura Station also known as Madura Plains is a pastoral lease and sheep station located about 700 kilometres (435 mi) east south east of Kalgoorlie in the Goldfields-Esperance region of Western Australia. It is within the locality of Madura and the Eyre Highway runs along the boundary of the station.
Murrawijinie Cave is in the Australian state of South Australia within the gazetted locality of Nullarbor on the Nullarbor Plain.
The Roe Plains is a coastal plain in the southeastern corner of Western Australia.
Hampton Tableland is a feature that is found at the northern side of the current alignment of the Eyre Highway between Madura and Eucla in Western Australia, at the southern edge of the Nullarbor Plain.
Old Eyre Highway is a remnant part of the Eyre Highway that was abandoned in the construction of a route closer to the coast of the Great Australian Bight.
