Wilmington–Ucolta Road is a 98 kilometre major road connecting Port Augusta

Port Augusta, South Australia

-Electricity generation:Electricity is generated at the Playford B and Northern power stations from brown coal mined at Leigh Creek, 250 km to the north...

 to Peterborough

Peterborough, South Australia

Peterborough is a town in the mid north of South Australia, in wheat country, just off the Barrier Highway. At the 2006 census, Peterborough had a population of 1,689....

 and beyond to Broken Hill

Broken Hill, New South Wales

-Geology:Broken Hill's massive orebody, which formed about 1,800 million years ago, has proved to be among the world's largest silver-lead-zinc mineral deposits. The orebody is shaped like a boomerang plunging into the earth at its ends and outcropping in the centre. The protruding tip of the...

, in South Australia

South Australia

South Australia is a state of Australia in the southern central part of the country. It covers some of the most arid parts of the continent; with a total land area of , it is the fourth largest of Australia's six states and two territories.South Australia shares borders with all of the mainland...

. It forms as a connecter road between the Princes Highway

Princes Highway

The Princes Highway extends from Sydney to Port Augusta via the coast through the states of New South Wales, Victoria and South Australia, a distance of 1941 km or 1898 km via the former alignments of the highway ....

 and the Barrier Highway

Barrier Highway

The Barrier Highway is a highway in New South Wales and South Australia signposted as in South Australia and in New South Wales, Australia.The Barrier Highway starts at Nyngan where it joins the Mitchell Highway. It heads west past Hermidale and Boppy Mountain to Cobar, a mining town. It then...

 through the Flinders Ranges

Flinders Ranges

Flinders Ranges is the largest mountain range in South Australia, which starts approximately north west of Adelaide. The discontinuous ranges stretch for over from Port Pirie to Lake Callabonna...

, and forms the most direct path between Port Augusta in South Australia (and following destinations like Alice Springs

Alice Springs, Northern Territory

Alice Springs is the second largest town in the Northern Territory of Australia. Popularly known as "the Alice" or simply "Alice", Alice Springs is situated in the geographic centre of Australia near the southern border of the Northern Territory...

, Darwin

Darwin, Northern Territory

Darwin is the capital city of the Northern Territory, Australia. Situated on the Timor Sea, Darwin has a population of 127,500, making it by far the largest and most populated city in the sparsely populated Northern Territory, but the least populous of all Australia's capital cities...

, Kalgoorlie

Kalgoorlie, Western Australia

Kalgoorlie, known as Kalgoorlie-Boulder, is a town in the Goldfields-Esperance region of Western Australia, and is located east-northeast of state capital Perth at the end of the Great Eastern Highway...

, and Perth

Perth, Western Australia

Perth is the capital and largest city of the Australian state of Western Australia and the fourth most populous city in Australia. The Perth metropolitan area has an estimated population of almost 1,700,000....

) and Dubbo (and following destinations like Moree

Moree, New South Wales

Moree is a large town in Moree Plains Shire in northern New South Wales, Australia. It is located on the banks of the Mehi River in the centre of the rich black-soil plains....

, Tamworth

Tamworth, New South Wales

Tamworth is a city in the New England region of New South Wales, Australia. Straddling the Peel River, Tamworth, which contains an estimated population of 47,595 people, is the major regional centre for southern New England and in the local government area of Tamworth Regional Council. The city...

, Orange

Orange, New South Wales

Orange is a city in the Central West region of New South Wales, Australia. It is west of the state capital, Sydney, at an altitude of . Orange has an estimated population of 39,329 and the city is a major provincial centre....

, and Newcastle

Newcastle, New South Wales

The Newcastle metropolitan area is the second most populated area in the Australian state of New South Wales and includes most of the Newcastle and Lake Macquarie Local Government Areas...

), and hence provides the most direct link between Port Augusta and Sydney.

It starts just outside in Wilmington

Wilmington, South Australia

Wilmington is a town in the southern Flinders Ranges region of South Australia. The town is located in the District Council of Mount Remarkable Local Government Area, north of the state capital, Adelaide...

, off Main North Road

Main North Road

Main North Road is the major north-south arterial route north of the city of Adelaide, South Australia.From the Adelaide city centre, it passes through the Adelaide Parklands and the suburbs of Thorngate, Medindie, Medindie Gardens, Nailsworth, Prospect, Sefton Park, Blair Athol and Enfield before...

 (which progresses west to Port Augusta) and progresses west along the northern stretches of the Clare Valley

Clare Valley

The Clare Valley is one of Australia's oldest wine regions, best known for Riesling wines. It lies in the Mid North of South Australia, approximately 120 km north of Adelaide. The valley runs north-south, with Main North Road as the main thoroughfare....

, and also through the Flinders Ranges

Flinders Ranges

Flinders Ranges is the largest mountain range in South Australia, which starts approximately north west of Adelaide. The discontinuous ranges stretch for over from Port Pirie to Lake Callabonna...

. It passes through Orroroo, intersecting there with the southern stretch of the Birdsville

Birdsville Track

The Birdsville Track is a notable outback road in Australia. The 517 km track runs from Marree, a small town in northern South Australia, north across the Tirari Desert and Sturt Stony Desert, ending in Birdsville in south western Queensland....

 and Oodnadatta Track

Oodnadatta Track

The Oodnadatta Track , Australia is an unsealed 620 kilometre track between Marree and Marla via Oodnadatta in South Australia. It passes the southern lake of the Lake Eyre National Park....

s, and through Peterborough, to eventually the small town of Ucolta and the intersection with the Barrier Highway.