Our Address. Hlatikulu Road, Mooi River, KwaZulu-Natal, South Africa. PO Box 31, Mooi River, 3300, South Africa. Follow the N3 highway to Mooi River. Take the first Mooi River off-ramp from the N3. Follow the Giant’s Castle / Hartford House / Summerhill Stud signs through the village to the west in the direction of the Drakensberg.