Paarl is a small town, so it's easy to get to the starting point (S/E).
The path starts right at the top of the road; there is only one entrance, so you can't miss it. You will climb a few hundred metres before reaching the main dirt road.
Then continue along this road, which is the only path, until you reach the granite boulders known as Paarl's Rock (1)
This route ends at the first boulder, but there are two others 500 metres further along the path: Bretagne Rock and Gordon's Rock.