From Durban Central - Travel along the N3 towards Pietermaritzburg. Take the M13/Pinetown/PMB turnoff. Follow along the highway until you see the R103/Old Main Road/Hillcrest East turnoff. Turn right into Old Main Road. You'll find the Hillcrest Centre on your right.
From Pietermaritzburg - Travel along the N3 towards Durban. Take the Assagay/Hillcrest/Shongweni turnoff and turn left into Kassier Road. Follow this road until you get to the R103/Old Main Road. Turn right into this road. You'll find the Hillcrest Centre on your left.