The Vaal Triangle is a

triangular A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices ''A'', ''B'', and ''C'' is denoted \triangle ABC. In Euclidean geometry, any three points, when non- collinea ...

area formed by

Vereeniging Vereeniging () is a town located in the south of Gauteng province, South Africa, situated where the Klip River empties into the northern loop of the Vaal River. It is also one of the constituent parts of the Vaal Triangle region and was formerly si ...

Vanderbijlpark Vanderbijlpark is an industrial town with approximately 95 000 inhabitants, situated on the Vaal River in the south of Gauteng province, South Africa. The city is named after Hendrik van der Bijl, an electrical engineer and industrialist. Vand ...

and Sasolburg about 60 km south of

Johannesburg Johannesburg ( , , ; Zulu and xh, eGoli ), colloquially known as Jozi, Joburg, or "The City of Gold", is the largest city in South Africa, classified as a megacity, and is one of the 100 largest urban areas in the world. According to Demo ...

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...

. The area forms a substantial urban complex. Meyerton, just north of Vereeniging, is also generally included in the complex, and residents of

Sharpeville Sharpeville (also spelled Sharpville) is a township situated between two large industrial cities, Vanderbijlpark and Vereeniging, in southern Gauteng, South Africa. Sharpeville is one of the oldest of six townships in the Vaal Triangle. It was na ...

, Boipatong, Bophelong, the greater

Sebokeng Sebokeng () locally called Zweni by residents, is a middle-class township in the Emfuleni Local Municipality in southern Gauteng, South Africa near the industrial cities of Vanderbijlpark and Vereeniging. Other neighboring townships include Evaton ...

area (including

Evaton Evaton is a township north of Sebokeng, thats divided into three; Evaton Central, Evaton West (popularily known as "Mkhelele") and Evaton North, in the Emfuleni Local Municipality of Gauteng, South Africa. It was established in 1904. Like other ...

Orange Farm Orange Farm ("Farma") is a township located approximately from Johannesburg in the Gauteng Province of South Africa. It is the southernmost township of the City of Johannesburg Metropolitan Municipality. Its name, a misnomer given that orange ...

, etc.), Three Rivers,

Heidelberg Heidelberg (; Palatine German language, Palatine German: ''Heidlberg'') is a city in the States of Germany, German state of Baden-Württemberg, situated on the river Neckar in south-west Germany. As of the 2016 census, its population was 159,914 ...

Deneysville Deneysville is a small town on the banks of the Vaal Dam in the Free State province of South Africa. History Deneysville was established in 1936 and named after Deneys Reitz, writer of ''Commando: A Boer Journal of the Boer War'' and son of f ...

and Potchefstroom also generally tend to consider themselves to live in the Vaal Triangle. The area straddles the

Vaal River The Vaal River ( ; Khoemana: ) is the largest tributary of the Orange River in South Africa. The river has its source near Breyten in Mpumalanga province, east of Johannesburg and about north of Ermelo and only about from the Indian Ocean. ...

and is a major industrial region, which is home to former Iron and Steel Corporation Iscor, now ArcelorMittal South Africa, and

Sasol Sasol Limited is an integrated energy and chemical company based in Sandton, South Africa. The company was formed in 1950 in Sasolburg, South Africa and built on processes that were first developed by German chemists and engineers in the early ...

, the

steel Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant ty ...

and

petrochemical Petrochemicals (sometimes abbreviated as petchems) are the chemical products obtained from petroleum by refining. Some chemical compounds made from petroleum are also obtained from other fossil fuels, such as coal or natural gas, or renewable sou ...

processing facilities. In 2013, research by the Council for Scientific and Industrial Research (CSIR) revealed that areas in the Vaal Triangle have persistently higher concentrations of air pollutants such as nitrogen dioxide, than in the rest of South Africa. Due to the heavy industries in and around the Vaal Triangle it became infamous for its

air pollution Air pollution is the contamination of air due to the presence of substances in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. There are many different types ...

and

respiratory disease Respiratory diseases, or lung diseases, are pathology, pathological conditions affecting the organs and tissues that make gas exchange difficult in Breathing, air-breathing animals. They include conditions of the respiratory tract including the t ...

. For this reason, local

Afrikaans Afrikaans (, ) is a West Germanic language that evolved in the Dutch Cape Colony from the Dutch vernacular of Holland proper (i.e., the Hollandic dialect) used by Dutch, French, and German settlers and their enslaved people. Afrikaans gra ...

speaking people often refer to the region as the ''Vuil Driehoek'' (meaning ''Dirty Triangle'') as a pun on ''Vaal Driehoek'' (the Afrikaans translation for Vaal Triangle). Nearby is the

Vaal Dam The Vaal Dam in South Africa was constructed in 1938 and lies 77 km south of OR Tambo International Airport. The lake behind the dam wall has a surface area of about and is 47 meters deep. The Vaal Dam lies on the Vaal River, which is one ...

, from which the massive PWV megalopolis (

Pretoria Pretoria () is South Africa's administrative capital, serving as the seat of the Executive (government), executive branch of government, and as the host to all foreign embassies to South Africa. Pretoria straddles the Apies River and extends ...

Witwatersrand The Witwatersrand () (locally the Rand or, less commonly, the Reef) is a , north-facing scarp in South Africa. It consists of a hard, erosion-resistant quartzite metamorphic rock, over which several north-flowing rivers form waterfalls, which ...

and

) draws its water. The PWV forms the urban heart of

Gauteng province Gauteng ( ) is one of the nine provinces of South Africa. The name in Sotho-Tswana languages means 'place of gold'. Situated on the Highveld, Gauteng is the smallest province by land area in South Africa. Although Gauteng accounts for only 1 ...

. The Witwatersrand is the name given to the area that comprises the Greater Johannesburg metropole and the gold-bearing reef along which

gold Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile met ...

was discovered in 1886. The Vaal Dam is well-patronised by people from Johannesburg over the weekends and during holidays, as it provides extensive water recreation facilities some 70 km south of the city.

References

External links

Vaal Triangle University Campus - North-West University
Geography of Gauteng {{Gauteng-geo-stub