Rietfontein is a town located in the ZF Mgcawu District Municipality within the Northern Cape province of South Africa. It serves as a key geographical point for regional transit and commerce.
The town functions as the Rietfontein Borderpost, providing a gateway between South Africa and Namibia during daytime hours from 08:00 to 16:30. This crossing provides access to south-east Namibia via Aroab along the C16 main road.