European land exploration of Australia deals with the opening up of the interior of Australia to European settlement which occurred gradually throughout the colonial period, 1788–1900. A number of these explorers are very well known, such as Burke and Wills who are well known for their failed attempt to cross the interior of Australia, as well as Hamilton Hume and Charles Sturt.
 For many years, plans of westward expansion from Sydney were thwarted by the Great Dividing Range, a large range of mountains which shadows the east coast from the Queensland-New South Wales border to the south coast. The part of the range near Sydney is called the Blue Mountains. After numerous attempts 
William Paterson led an expedition northward along the coast to the Hunter Region in 1801 and up the Paterson River (later named in his honour by Governor King) and in 1804 Paterson led an expedition to Port Dalrymple, in what is now Tasmania, exploring the Tamar River and going up the North Esk River farther than any European had previously gone.
 Despite King's pronouncement, some settlers continued to try crossing the mountains. Gregory Blaxland was the first to successfully lead an expedition to cross them in 1813, accompanied by William Lawson, William Wentworth and four servants. This trip paved the way for numerous small expeditions which were undertaken in the following few years.
 On 13 November 1813 Governor Lachlan Macquarie sent Government Surveyor, George Evans, across the Blue Mountains to confirm the findings of Blaxland's exploration party. Evans generally followed Blaxland's route, reaching the end of their route on 26 November 1813 at a point Evans named Mount Blaxland. Evans's party then moved on and discovered the Fish River area and further west near the junction of the now named Fish and Campbell Rivers and described two plains in his view, the O'Connell Plains and the Macquarie Plains. On 9 December he reached the site of present-day Bathurst. After the explorations that took seven weeks Governor Macquarie awarded Evans £100 and 1000 acres of land near Richmond in Van Diemens Land (Tasmania). Evans departed for Tasmania in 1814.
 In 1814, Governor Lachlan Macquarie approved an offer by William Cox to build a road crossing the Blue Mountains, from Emu Plains, the existing road terminus west of Sydney, to the Bathurst Plains. The first road to cross the Blue Mountains was 12 feet (3.7 m) wide by 101+1⁄2 miles (163.3 km) long, built between 18 July 1814 to 14 January 1815 using 5 freemen, 30 convict labourers and 8 soldiers as guards. Governor Macquarie surveyed the finished road in April 1815, and as a reward Cox was awarded 2,000 acres (810 ha) of land near what is now Bathurst.
 On 7 May 1815, Governor Macquarie proclaimed the name of the future town of Bathurst, the first inland town in Australia and intended to be the administrative centre of the western plains of New South Wales.
 Evans was back in New South Wales by 1815 to continue inland explorations. In 1815, Evans was the first colonial explorer to enter the Lachlan Valley, naming the area the Oxley Plains after his superior the Surveyor-General, John Oxley. He also discovered the Abercrombie and Belubula River Valleys. He was the first explorer through the areas that now include the towns of Boorowa and Cowra.
 On 1 June 1815 in Eugowra, a town in the Central West region of New South Wales, George William Evans and his group marked a tree at the junction of Lachlan river and a creek which they named Byrnes Creek. This was the furthest west any Europeans had travelled into the country. On 1 June 1815 he was running short of provisions and returned to Bathurst where he arrived on 12 June. This journey opened the way for later explorations, mainly by John Oxley. Evans took part in some of Oxley's expeditions.
 Evans returned to Tasmania in 1817 but was again to return to New South Wales to journey with his superior John Oxley on travels into the Lachlan River areas, along the path of the Macquarie River to the Macquarie Marshes and eastwards to the coast to Port Macquarie.
 In March 1817, Oxley was instructed to take charge of an expedition to explore and survey the course of the Lachlan River. He left Sydney on 6 April with Evans, as second-in-command, and Allan Cunningham as botanist. Oxley's party reached Bathurst after a week, where they were briefly detained by bad weather. They reached the Lachlan River on 25 April 1817 and commenced to follow its course, with part of the stores being conveyed in boats. As the exploring party travelled westward the country surrounding the rising river was found to be increasingly inundated. On 12 May, west of the present township of Forbes, they found their progress impeded by an extensive marsh. After retracing their route for a short distance they then proceeded in a south-westerly direction, intending to travel overland to the southern Australian coastline. By the end of May the party found themselves in a dry scrubby country. Shortage of water and the death of two horses forced Oxley's return to the Lachlan River.  On 23 June the Lachlan River was reached: 
 They followed the course of the Lachlan River for a fortnight. The party encountered much flooded country, and on 7 July Oxley recorded that: 
 Oxley resolved to turn back and after resting for two days Oxley's party began to retrace their steps along the Lachlan River. They left the Lachlan up-stream of the present site of Lake Cargelligo and crossed to the Bogan River and then across to the upper waters of the Macquarie River, which they followed back to Bathurst (arriving on 29 August 1817).
 Oxley travelled to Dubbo on 12 June 1818. He wrote that he had passed that day "over a very beautiful country, thinly wooded and apparently safe from the highest floods..." Later in 1818 Oxley and his men explored the Macquarie River at length before turning west. On 26 August 1818 they climbed a hill and saw before them rich, fertile land (Peel River), near the present site of Tamworth. Continuing further east they crossed the Great Dividing Range passing by the Apsley Falls on 13 September 1818 which he named the Bathurst Falls. He described it as "one of the most magnificent waterfalls we have seen". He discovered and named the Arbuthnot Range, since renamed the Warrumbungle Range. Upon reaching the Hastings River they followed it to its mouth, discovering that it flowed into the sea at a spot which they named Port Macquarie.
 In 1824, Governor Thomas Brisbane asked Hamilton Hume and William Hovell to travel from Hume's station, near modern-day Canberra, to Spencer Gulf (west of modern-day Adelaide). However, they were required to pay their own costs. Hume and Hovell decided that Western Port (in present-day Victoria) was a more realistic goal, and they left with a party of six men. After discovering and crossing the Murrumbidgee and Murray rivers, they eventually reached a site near modern-day Geelong, somewhat west of their intended destination.
 After the Great Dividing Range had been crossed at numerous points and many rivers were discovered—the Darling, Macquarie, Murray and Murrumbidgee rivers—all of which flowed west, a theory was developed of a vast inland sea into which these rivers flowed. Another reason behind the idea of an inland sea was that Matthew Flinders, who had very carefully mapped much of Australia's coast had discovered no great river delta where these rivers should have emerged had they reached the coast. The Murray-Darling basin actually drains into Lake Alexandrina. Matthew Flinders had noted this on his maps but viewed from the sea does not look like the outfall of a large watershed, but instead as a gentle tidal basin.
 The mystery was solved by Charles Sturt, who in 1829–30 undertook an expedition similar to the one which Hume and Hovell had refused: a trip to the mouth of the Murray River. They followed the Murrumbidgee until it met the Murray, and then found the junction of the Murray and the Darling before continuing on to the mouth of the Murray. The search for an inland sea was an inspiration for many early expeditions west of the Great Dividing Ranges. This quest drove many explorers to extremes of endurance and hardship. Charles Sturt's expedition explained the mystery. It also led to the opening of South Australia to settlement.
 The theory of the inland sea had some supporters. Major Thomas Mitchell, the Surveyor-General of New South Wales, set out in 1836 to disprove Sturt's claims and in doing so made a significant discovery. He led an expedition to 'fill in the gaps' left by these previous expeditions. He set off  along the Lachlan River, down to the Murray River. He then set off for the southern coast, mapping what is now western Victoria. There he discovered the richest grazing land ever seen to that time and named it Australia Felix. He was knighted for this discovery in 1837. When he reached the coast at Portland Bay, he was surprised to find a small settlement. It had been established by the Henty family, who had sailed across Bass Strait from Van Diemen's Land in 1834, without the authorities being informed. He was meticulous in seeking to record the original Aboriginal place names around the colony, for which reason the majority of place names to this day retain their Aboriginal titles.
 The Polish scientist/explorer Count Paul Edmund Strzelecki conducted surveying work in the Australian Alps in 1839 and became the first European to ascend Australia's highest peak, which he named Mount Kosciuszko in honour of the Polish patriot Tadeusz Kosciuszko.
 From 1858 onwards, the so-called "Afghan" cameleers and their beasts played an instrumental role in opening up the outback and helping to build infrastructure.
 The competition to chart a route for the Australian Overland Telegraph Line spurred a number of cross-continental expeditions. Perhaps the most famous of these was the  Burke and Wills expedition led by Robert O'Hara Burke and William John Wills who in 1860–61 led a well equipped expedition from Melbourne to the Gulf of Carpentaria. Due to an unfortunate run of bad luck, oversight and poor leadership, Burke and Wills both died on the return trip.
 Expeditions (in chronological order):
 Meehan and Hume followed the Shoalhaven upriver and discovered Lake Bathurst and the Goulburn Plains
 Other explorers by land (in alphabetical order):
  
 By the turn of the 20th century, most of the major geographical features of Australia had been discovered by European explorers.  However, there are some 20th-century people who are considered explorers.  They include:
 A number of Indigenous Australians participated in the European exploration of Australia.  They include:
 There are a number of naturalists and other scientists closely associated with European exploration of Australia.  They include: