A firefighter using a safety rope climbed down a bank to rescue three female tourists from a rental car perched precariously half way the slope.
Westport fire station officer Graham Heaphy said firefighters were expecting a dramatic scene when they were told a car had gone over a cliff on SH6 south of Charleston on the West Coast at 12.55pm.
When they arrived, they found the car had gone about 3m down a 6-7m "slopey bank", which had a creek at the bottom.
The three occupants, who appeared to be women in their mid-20s, waited in the car as a firefighter climbed down to them using safety ropes.
"We just stabilised the vehicle because of the slope it was on, got someone down, checked them out, and pretty much opened the door and they managed to climb up," Heaphy said.