The Sterkfontein Caves operate under specific access protocols — visitors need to follow guided routes through the underground lake chamber, manage uneven limestone passages, and time visits around weekday versus weekend crowd levels. Running tours here means understanding how weather affects water levels in the caves, coordinating group sizes with safe capacity limits, and ensuring guides hold the right credentials from the University of the Witwatersrand, which manages the site. From Krugersdorp, the drive takes less than an hour, but the actual experience — navigating the pitch-black descents, explaining the palaeontological significance, managing nervous visitors in confined spaces — requires local knowledge and genuine operational experience. It's not just booking a slot; it's executing a tour that doesn't feel rushed or unsafe.