Hi Tyson,
Go to http://www.google.co.za
Select "Maps"
Type in Klerkskraal Dam and you can check directions from where you are.
If this does not work, look up CARLETONVILLE. Klerkskraal Dam is about 20min drive from there in the NORTHERLY direction.
You joining the Kick Boat Challenge comp on the 18th September?
http://www.kickboatclassic.co.cc