Magaliesberg (historically also known as Macalisberg or as the Cashan Mountains) is a mountain range extending west and north from Pretoria to just south of Pilanesberg, (see also Pilanesberg National Park), and extending for some 50 km east of Pretoria where it peters out just south of Bronkhorstspruit. The highest point of the Magaliesberg is reached at Nooitgedacht (1 852 metres) .
The Magaliesberg Range has a very long geological history. Its quartzites, shales, chert and dolomite were deposited as sediments in an inland basin on top of the 3 billion year old Archaean Basement Complex. This process of sedimentation lasted for about 300 million years. About 2 billion years ago a massive upwelling of molten magma resulted in what is now known as the Bushveld Igneous Complex. The enormous weight of this intrusion depressed the sediments that lay beneath and tilted the sediments along the edges so that the broken scarps faced outward and upward, and the gentler dip slopes inward. During the same period these sediments were fractured and igneous intrusions of dolerite filled the cracks. With the passage of time these intrusions eroded, especially on the dip slopes, forming deep kloofs or ravines providing excellent rock-climbing potential to modern man. This large dog-leg-shaped area is now termed the Transvaal Basin and includes the lofty escarpment of the Transvaal Drakensberg overlooking the Lowveld in the eastern part of the country. Massive outpourings of igneous material - volcanic lava - of the much younger Karoo Supergroup later covered the Transvaal Basin, but this was subsequently eroded so that it only remains along the Transvaal Basin's southern rim.
The range forms a natural barrier between the lower lying Bushveld to the north and the cooler Highveld to the south. The range receives rainfall in summer in the form of thunderstorms, with an average of 650 mm annually. In winter frost occurs frequently in the valleys on the southern side of the mountain, but almost never on the northern slopes.
The area around the Magaliesberg range has seen extremely lengthy occupation by humans dating back at least 2 million years to the earliest hominin species (such as Mrs Ples) in and around the Sterkfontein Caves, which lie at the Cradle of Humankind World Heritage Site, close to the town of Magaliesburg.
In the mid-1800s one of the more important chiefs in the area was Mogale, and the mountains became known as Magaliesberg, or Mogale's mountain. "Mogale" means "sharp" or "clever" person, but is also the common word for a warrior or Tswana soldier. Similarly, the mountain range to the north, near Sun City, Pilanesberg, was named after the local Bakgatla chiefs, who were called Pilane.
In 1822 Shaka sent his most trusted commander, Mzilikazi, to conquer the Sotho tribes of the region. After accomplishing this task, Mzilikazi decided to break away from Shaka and found his own nation, the Matabele. As he feared an attack from Shaka if he returned home he settled in the Magaliesberg regions.
On 17 January 1837, after some Voortrekkers had been attacked and killed by Mzilikazi's impis they counter-attacked and, under the leadership of Hendrik Potgieter and Gerrit Maritz, and with the help of local Sotho-Tswana chiefdoms, drove the Matabeles north across the Limpopo River. Because the re-conquest of the region was a cooperative venture of the Boers and the Sotho-Tswana against the Matabele, the Boers and Sotho-Tswana had friendly relations at the beginning of white settlement. These friendly relations are reflected in the name of the main Boer town, Rustenburg, or "resting town," because it seemed to them that they would not have to engage in any more fighting against African communities. The Boers initially settled south of the Magaliesberg in the highveld leaving the bushveld north of the Magaliesberg mostly to their Sotho-Tswana friends and allies; according to Ms. Sarah Heckford's memoir, "A Lady Trader in the Transvaal," the Boers would move into the bushveld to visit their Sotho-Tswana neighbors during the winter. According to oral testimony by Tswana headmen recorded around the turn of the 20th century, many individual Boers formed close friendships with prominent individual Tswana headmen and chiefs, especially for the purpose of forming hunting parties to gather ivory and other products from further north. Subsequently the Boers began settling in the valleys of the Magaliesberg Range and in the bushveld north of the Magaliesberg, and turned the region into some of the most productive farmland in South Africa, while displacing their former allies, confining them to locations and reserves.
The area saw some heavy fighting during the Second Anglo-Boer War. The Boers, being extremely familiar with the mountains, used secret pathways across the mountains to launch guerrilla attacks on the British soldiers. In response, the British forces built blockhouses on top of the mountains in order to restrict the movement of the Boer forces; ruins of these structures are still to be seen on the mountain.
Control of the Magaliesberg Mountain Range was of great importance to both the Boer and the British forces, especially the two routes between Pretoria and Rustenburg, which crossed it at Silkaatsnek and Kommandonek, respectively. As a result, many battles, such as the battles of Buffelspoort, Nooitgedacht and Olifantsnek were fought in the area.
In 1923 the Hartbeespoort Dam, situated in one of the valleys of the range, was completed. It became a popular holiday and weekend destination for the inhabitants of Johannesburg and Pretoria, and the villages of Hartbeespoort and Kosmos developed as a result.
At present the Magaliesberg area is still largely agricultural, although tourism is a rapidly growing industry in the area.
Kgaswane Mountain Reserve is a nature reserve above Rustenburg covering 4257ha of the Magaliesberg. Numerous smaller reserves, private and state, are to be found along the length of the range.
Magaliesberg Biosphere Reserve
After nearly a decade of lobbying and sustained efforts by a small committee of dedicated environmentalists, the Magaliesberg has been declared a World Biosphere Reserve. The announcement was made on 9 June 2015 in Paris by the International Coordinating Council of the Programme on Man and the Biosphere (MAB). This is a Unesco programme that aims to build a supportive and sustainable relationship between people and their environments. In effect, this means a specific focus on safeguarding natural ecosystems through innovative approaches to economic development. The World Network of Biosphere Reserves, which Magaliesberg now joins, counts 631 biosphere reserves in 119 countries. “We are delighted with this final acknowledgement of the unique nature of the Magaliesberg and the powerful contribution it is making to our country, to the ecosystem services in Gauteng and the North West and the communities it nurtures over an extensive area,” said Paul Fatti, chair of the Magaliesberg Biosphere Initiative Group (MBIG) that has been lobbying authorities since 2007 to support the establishment of the Biosphere. Vincent Carruthers, past chair of MBIG and renowned author of “The Magaliesberg”, the most authoritative study of the mountain range, said that this announcement was the culmination of a campaign that began in 2006. “I’m most grateful there is now international recognition of this great mountain range that has witnessed the whole span of life, from its very origins,” he said. “The Magaliesberg is almost 100 times older than Mount Everest and half the age of the earth, a unique treasure for us in this part of Africa.”
The Magaliesberg mountains offer excellent rock climbing opportunities spread across its many kloofs and escarpments. The climbing is mostly traditional with a small number of sport climbing venues, with hundreds of routes across a wide range of grades. The relatively mild climate allows year-round climbing.
- Stow, George William (1905). The native races of South Africa; a history of the intrusion of the Hottentots and Bantu into the hunting grounds of the Bushmen, the aborigines of the country. The Macmillan Co. p. 546.
- Harties Aerial Cableway
- Jenkins, Elwyn (2007), Falling into place: the story of modern South African place names, David Philip Publishers, p. 75
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