Horns Nek Pass, is situated in the Gauteng, province of South Africa, on the metropolitan road M17, within the urban area of Pretoria, now Tshwane. The pass crosses the Magaliesberg mountain range after a gradual and winding ascent of approximately 2 kilometers from the southern side. There is very little slope along the northern approach.
References
Horns Nek Wikipedia(Text) CC BY-SA