The Circus Airfield and Rainbow Airschool
Adjacent to the R59 (Special Rules East), 20km South of Alberton - Gauteng
go here for more information
http://www.rainbowairschool.com
This is probably your closest/quickest, jump on the N3 towards Germinston, Take the Eastern bypass to Alberton, take the R59 to Vereeniging, Pass the Blockhouse Engen onestop and the field is next to the freeway on your left. Take next offramp