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50 free Australian Geography trivia questions with answers — geography quiz, new questions added Aug 2026.
Australia is a continent, a country and one of the emptiest inhabited places on Earth, and its map rewards anyone who looks past the famous postcard landmarks. Rivers run underground for most of the year, a single lake can be the lowest point on the continent and its largest body of water at once, and a state border can sit on a line of longitude surveyed by camel. These 50 questions cover the rivers and their lengths, the deserts and dune fields, the mountain chains and state high points, the islands and external territories, the tri-state corners, the time-zone quirks, the hottest, coldest and wettest towns, and the roads and railways that cross the lot. Every answer comes with a short explanation and a source. It suits quiz nights, classroom revision and anyone who has driven the long way round and wants to see how much stuck.
30 of 50 questions with answers and explanations. Play the quiz
Q 01Which 14,500 km route around mainland Australia beats the Trans-Siberian as the world's longest national road?
Highway 1
Highway 1 runs about 14,500 km around the continent, longer than the Trans-Siberian and Trans-Canada highways. It links every mainland state capital but bypasses Canberra.
Q 02Which South Australian salt basin, full only three times since 1860, holds the nation's lowest natural point?
Lake Eyre
Lake Eyre, officially Kati Thanda–Lake Eyre, dips about 15 m below sea level and, on the rare occasions it fills, becomes Australia's largest lake at up to 9,500 km². The water starts as salty as the sea and turns hypersaline as it dries.
Q 03Which Northern Territory park, about the size of Wales, lost its title as Australia's largest national park in 2021?
Kakadu
Kakadu slipped to second place when a new desert national park was proclaimed in November 2021. It is nearly half the size of Switzerland, and its Aboriginal owners manage it jointly with Parks Australia.
Q 04Which sea between Australia's east coast and New Zealand is nicknamed 'the Ditch' by people on both sides?
Tasman Sea
The Tasman Sea is about 2,000 km across and was named for Abel Tasman, the first European known to have crossed it, in 1642. Flights between the two countries are still 'crossing the Ditch'.
Q 05Which seven-kilometre stretch of Whitsunday Island's shore is famous for sand that is about 98% pure silica?
Whitehaven Beach
Whitehaven Beach's sand is 98% pure silica, which is not found in the local rocks, so ocean currents are thought to have carried it there over millions of years.
Q 06Which north Queensland rainforest, about 180 million years old, is nearly 100 million years older than the Amazon?
Daintree
The Daintree belongs to a band of east-coast forests that have survived for around 180 million years, outliving the dinosaurs and the last Ice Age.
Q 07Which Queensland city, with its business district in Southport, is Australia's most populous non-capital city?
Gold Coast
The Gold Coast is Queensland's second-largest city after Brisbane and one of the fastest-growing large cities in the country. Its urban strip sprawls 60 to 70 km along the shore.
Q 08Where does Australia rank among the world's countries by land area, with Tasmania and 8,222 islands included?
Sixth
Australia is the sixth largest country in the world by land area, yet it is also the flattest and driest inhabited continent. Its 7,688,287 km² takes in the mainland, Tasmania and thousands of islets.
Q 09Which of Australia's deserts, over 700 km across and crossing the WA–SA border, is the largest by area?
Great Victoria Desert
The Great Victoria Desert covers about 348,750 km² of sandhills, gibber plains and salt lakes, and was named by explorer Ernest Giles in 1875 for the reigning queen. Nearly a third of it lies inside protected areas.
Q 10Which flat expanse on the Great Australian Bight is the world's largest single exposure of limestone bedrock?
Nullarbor Plain
The Nullarbor Plain takes its name from the Latin nullus arbor, 'no tree', and stretches about 1,100 km from east to west across the South Australia–Western Australia border.
Q 11Which lighthouse-topped headland in northern New South Wales is the easternmost point of mainland Australia?
Cape Byron
Cape Byron projects into the Pacific about 3 km east of the town of Byron Bay, and its lighthouse is a favourite spot for watching migrating whales.
Q 12Which point, named by Cook in 1770 for a brother of King George III, is the northernmost tip of mainland Australia?
Cape York
Cape York sits at the tip of the peninsula of the same name, which Dutch sailor Willem Janszoon reached aboard the Duyfken in 1606 in the first European landing in Australia.
Q 13Which Victorian peninsula, mostly national park, ends at South Point, the southernmost tip of mainland Australia?
Wilsons Promontory
Q 21Which Western Australian headland, the mainland's most south-westerly point, is where Australia says two oceans meet?
Cape Leeuwin
Cape Leeuwin is where Australia draws the line between the Indian and Southern oceans, though most other nations place the Southern Ocean south of 60°S. Despite the name, it is not the continent's southernmost point.
Q 22Which Western Australian outback town set a world record of 160 consecutive days at or above 37.8 °C from October 1923?
Marble Bar
Marble Bar's streak ran from 31 October 1923 to 7 April 1924, 160 days at or above 100 °F, earning it a reputation as one of the hottest places on Earth. The town took its name from a bar of jasper mistaken for marble.
Q 23Which snow-resort village in Kosciuszko National Park recorded Australia's lowest temperature, −23.0 °C, in June 1994?
Wilsons Promontory, 'the Prom' to Victorians, has its lighthouse at nearby South East Point rather than on South Point itself. Most of the peninsula is protected as a national park.
Q 14Which of Australia's islands, 112 km southwest of Adelaide and 13.5 km from the Fleurieu Peninsula, ranks third by size?
Kangaroo Island
Kangaroo Island's closest point to the mainland is Snapper Point on Backstairs Passage, and locals know the whole place simply as 'KI'. A ferry from the mainland has served Penneshaw since 1989.
Q 15Which 572 m sea stack near Lord Howe Island, the world's tallest, shelters the last wild Lord Howe stick insects?
Ball's Pyramid
Ball's Pyramid is the remnant of a shield volcano that formed 6.4 million years ago, 1,100 m long but only 300 m across. The stick insect was presumed extinct from 1920 until climbers found it there in 2001.
Q 16Which Australian external territory, 350 km south of Java, is famous for its annual red crab migration?
Christmas Island
Christmas Island is closer to Indonesia than to Australia: its nearest point on the mainland is 1,550 km away. The red crab migration each October to December is the peak of the tourist year.
Q 17Which remote sub-Antarctic territory, dominated by the glacier-clad Big Ben, holds Australia's only active volcanoes?
Heard Island
Heard Island's Big Ben rises to Mawson Peak, at 2,745 m the highest point on Australian territory outside Antarctica and 517 m taller than Kosciuszko. The island lies about 1,700 km north of Antarctica.
Q 18Which Murray tributary, flowing 1,485 km through New South Wales and the ACT, is Australia's second-longest river?
Murrumbidgee
The Murrumbidgee drops 1,500 m over its 1,485 km course before joining the Murray, and is the only major river to pass through the national capital. Only the Murray itself is longer.
Q 19Which waterway through Western Australia's capital did Willem de Vlamingh name in 1697 after its black waterbirds?
Swan River
The Swan River was named for the black swans endemic to the region, and in 1829 the Swan River Colony was founded along it with the colonial capital, the port of Fremantle and the inland town of Guildford as its first settlements.
Q 20Which body of water's southern shore, near Burketown, offers the best view of the Morning Glory cloud each spring?
Gulf of Carpentaria
The Gulf of Carpentaria's Morning Glory is a rolling tube of cloud that forms over the southern gulf in September and October, at its best shortly after dawn.
Charlotte Pass
Charlotte Pass is the coldest inhabited place in Australia, with winter nights regularly below −10 °C and around 56 snowy days a year. It is also the closest village to Mount Kosciuszko.
Q 24Which sugar town 140 km south of Cairns put up a 7.9 m 'Golden Gumboot' to mark its claim as Australia's wettest?
Tully
Tully recorded 7,900 mm of rain in 1950, the highest annual total ever measured in a populated part of Australia, though neighbouring Babinda averages more and disputes the title. The gumboot went up in 2003 and doubles as a flood museum.
Q 25Which mining city in far-western New South Wales keeps South Australian time, half an hour behind Sydney?
Broken Hill
Broken Hill adopted Central Standard Time because, when the zones were set in the 1890s, it was connected by rail to Adelaide but not to Sydney. The arrangement survives more than a century later.
Q 26Which survey post, dragged into place by camels in the 1880s, marks where Queensland, South Australia and the NT meet?
Poeppel Corner
Poeppel Corner is named for surveyor Poeppel, whose team hauled a coolibah post there by camel in the mid-1880s; the original point sat in a salt lake because his measuring chain proved inaccurate.
Q 27Which stretch of NSW coast did the Commonwealth take over in 1915 to give the landlocked federal capital a port?
Jervis Bay Territory
The Jervis Bay Territory is an internal territory run directly by the federal government, carved out of New South Wales so Canberra's administrators would control a port near the capital. Its residents still call themselves Territorians.
Q 28Which city at the Hunter River's mouth is the world's largest coal-exporting port, shipping 143 million tonnes in 2022?
Newcastle
Newcastle claims to be Australia's first port: coal was shipped out of the harbour as early as 1799. It is also the country's oldest port and its second largest by tonnage throughput.
Q 29Which 2,720 km road from Darwin to Port Augusta follows the route of an explorer's 1861–62 south-to-north crossing?
Stuart Highway
The Stuart Highway, 'The Track' to locals, honours John McDouall Stuart, the first European to cross the continent from south to north and return, and the Overland Telegraph Line of 1871–72 was built along his route.
Q 30Which 1917 line between Port Augusta and Kalgoorlie has the world's longest straight stretch of track, 478 km?
Trans-Australian Railway
The Trans-Australian Railway runs 1,691 km on standard gauge, and its straight stretch was measured by GPS in 1990 at 478.193 km, just 46 m off the figure from the original 1900s survey.