The Pienaars River originates east of Pretoria

Pretoria

Pretoria is a city located in the northern part of Gauteng Province, South Africa. It is one of the country's three capital cities, serving as the executive and de facto national capital; the others are Cape Town, the legislative capital, and Bloemfontein, the judicial capital.Pretoria is...

, City of Tshwane

City of Tshwane

The City of Tshwane Metropolitan Municipality is a metropolitan municipality that forms the local government of northern Gauteng Province, South Africa and includes the city of Pretoria.-History:...

, Gauteng

Gauteng

Gauteng is one of the nine provinces of South Africa. It was formed from part of the old Transvaal Province after South Africa's first all-race elections on 27 April 1994...

 Province, South Africa

South Africa

The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

, flowing northwards into Roodeplaat Dam

Roodeplaat Dam

Roodeplaat Dam is a concrete arch dam situated on the Pienaars River , a tributary of the Crocodile River, which flows northwards into the Limpopo River...

 (north of Mamelodi), from where it carries on northward until it passes under the N1

N1 (South Africa)

The N1 is a South African National Route, running from Cape Town to Beit Bridge on the border with Zimbabwe. It is also the main road link between Johannesburg and Cape Town, and forms the first section of the famed Cape to Cairo Road....

 and turns westward. North of Makapanstad the Apies River

Apies River

The Apies River is a river that flows through the city of Pretoria, South Africa. Its source is located just south of the city and it flows northward until it drains into the Pienaars River....

 (or rather a short section of the Tshwane River) joins it. The Pienaars continues flowing westward to the Klipvoor Dam

Klipvoor Dam

Klipvoor Dam is a dam on the Pienaars River, near Brits, North West, South Africa. It was established in 1970.- References :* from the Department of Water Affairs and Forestry...

. About 25 km further downstream it joins the Crocodile River

Crocodile River (West)

Crocodile River , has its source in the Witwatersrand mountain range, originates in Constantia Kloof, Roodepoort, Gauteng province, South Africa. The first dam it encounters is a private dam known as the Heia Safari Ranch Dam just west of the Lanseria Airport. Just north of this airport the Jukskei...

.

Dams in the Pienaars River

• Roodeplaat Dam
  Roodeplaat Dam
  Roodeplaat Dam is a concrete arch dam situated on the Pienaars River , a tributary of the Crocodile River, which flows northwards into the Limpopo River...
  
  
• Klipvoor Dam
  Klipvoor Dam
  Klipvoor Dam is a dam on the Pienaars River, near Brits, North West, South Africa. It was established in 1970.- References :* from the Department of Water Affairs and Forestry...