From Cape Town International Airport, follow the N2 highway to the direction of Somerset West. About 25km you will take the R310 turn off to Stellenbosch.
Follow the R310 Road to Stellenbosch this will be another 20km, this will take you to Stellenbosch.
See the map below for directions from Stellenbosch

32 Herold Street
Stellenbosch
7600
Office hours: 021 887 9660
Fax:021 887 5686