It's a nice climb to the top, where there you will be treated with spectacular views of the cape and the lighthouse. The drive there is not far from Wellington CBD, about 2 hours. It's a beautiful drive along the coast. Just before the road end at the lighthouse, to the right, you will see the seal colony.
Do bring a jacket, as it can get quite windy up there. I had issues with the wind as I was taking photos. But that is all part of landscape photography. 🙂
Check out the final photo and vlog on my YouTube channel.