Among your first stops should be Porterville Visitor Center. Here, you'll be able to find your bearings and get lots of useful information before you start exploring.
This tourist information center in Bergrivier is popular with fellow travelers, so be sure to put it on your to-do list. Don't think that's all there is to do here, though. There are a lot more options ready for you to check out after Porterville Visitor Center. Dutch Reformed Church, and Porterville Golf Club are nearby.