Course
It rises near Lichtenburg on the far southwestern slopes of the Witwatersrand and flows for 320 km (about 200 miles) in a southwesterly direction, mostly through very flat areas of the North West and Northern Cape Provinces before flowing into the Vaal River about 100 km above the confluence of that river with the Orange River.
The Little Harts River which rises near Coligny joins the Great Harts River, which rises near Lichtenburg, to form the main river. Near Taung, the Dry Harts River, a seasonal river with its headwaters in the Vryburg area, also joins it. The river is characterised by highly intermittent runoff, but is regulated to optimise water usage. At Taung the Tswana referred to the Harts River as the Noka (meaning River) Kolong.
Further downstream, the town of Schweizer-Reneke (founded in October 1888) lies on the banks of the river. Wenzel Dam, just north of the town on the river, has been developed into a holiday resort.
Around 1850, a dam was built in the river next to Dikgatlong, but it was washed away during a flood in 1856.
Near the confluence of the Harts and Vaal Rivers at Delportshoop a major irrigation system, the Vaal-Harts Scheme was set up in 1933 as part of the national reconstruction effort after the Depression. Here water drawn from both the Vaal and the Harts rivers provide water to intensively irrigate numerous smallholdings through a system of canals in an otherwise dry area of the country, supporting towns such as Jankempdorp and Hartswater.
Around the northern part of the Scheme lie the settlements of Pampierstad, Motsweding, Mokgareng, Manthestad and Taung, all with mostly Tswana speaking residents. Taung became famous after the discovery of the skull of the so-called Taung Child in a lime quarry 14 km west of the town. The quarry is not in use anymore and is now the Taung Heritage Site and open to the public. To the west of the town, the Taung Dam was built in the Harts River. Upstream of the dam some rock engravings can be seen.
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