The cave sits a few kilometers from the town of Ladybrand, close to the Caledon River, in a landscape of open grasslands broken by rocky sandstone slopes and patches of scrub thicket. Its physical structure is distinctive: a large boulder encloses the front of the shelter, leaving only a narrow entrance on each side and a small gap overhead that functions as a skylight. The interior stretches more than 6 meters deep and roughly 20 meters across. In places, accumulated sediments reach over 6 meters in depth, a compressed record of human activity spanning more than 100,000 years. Berry D. Malan first excavated here between 1943 and 1946, digging in 3-inch spits across a vast extent of the cave. He ceased work in 1946 and published only preliminary observations in 1952. Peter Beaumont followed in the early 1960s, identifying an Early Later Stone Age industry dating between 29,000 and 40,000 years ago. He too left his results unpublished. It fell to Lyn Wadley, beginning in 1987 and continuing through 1997, to bring Rose Cottage's full story into the scientific record.

The Howiesons Poort layers at Rose Cottage reveal some of the most sophisticated toolmaking of the Middle Stone Age. These are not crude flakes bashed from cobblestones. The Howiesons Poort pieces are small geometric blades, crescent-shaped and precisely knapped, designed to be set into wooden or bone handles as inserts in composite weapons. The adhesive holding them in place was itself an engineered material: red ochre mixed with plant gum, heated to the right consistency, and applied with care. Making a single composite tool required planning across multiple steps, gathering different raw materials from different locations, processing each separately, then assembling them in the correct sequence. Researchers argue this kind of multi-stage, multi-material production implies a cognitive architecture essentially identical to our own. The trend over time at Rose Cottage moved consistently toward smaller blades and flakes, a refinement of technique that suggests not just mechanical skill but an accumulating tradition of knowledge passed between generations.

Ochre tells a story at Rose Cottage that no other material can. Malan collected the first pieces in the 1940s. Philip Harper, working with Wadley in 1989, gathered more. The fragments vary in color, grain size, geological type, and hardness, evidence that the cave's inhabitants sourced their ochre from multiple locations and selected specific varieties for specific purposes. Surface modifications on Middle Stone Age ochre pieces reveal three distinct techniques: rubbing, which transferred red powder directly onto surfaces like animal hide or human skin; grinding, which produced fine pigment for mixing into adhesive pastes; and scoring, which created incised lines whose purpose remains debated. The key finding is that these were not people casually dabbing color onto things. They were intentionally altering the ochre's physical and chemical properties. Inside the cave, sediments from Pleistocene and Holocene layers are rich in C3 plant signatures, while deposits from immediately outside the cave are strongly C4. The difference means the cave's inhabitants were actively bringing in plant material, edible plants, bedding leaves, and firewood, creating an enclosed domestic environment distinct from the grassland outside.

Rose Cottage sits in a sub-humid zone with summer rainfall and occasional winter precipitation. The surrounding veld is lush after rains but the grazing season lasts only six months, a rhythm that would have shaped the seasonal movements of the animals, and the people, who depended on this landscape. Charcoal samples collected by Wadley revealed two distinct vegetation patterns in the cave's record: one corresponding to the Holocene's warmer, wetter conditions, and one to the colder, drier Late Pleistocene. Opaline sediments washed down by mountain streams from the Drakensberg basalts into the Caledon River, roughly 10 kilometers away, accumulated in the cave over millennia. Water percolated through the deposits, coating artifacts in clay and leaching away bone and ash, which explains the poor preservation of organic material that frustrates researchers. Despite this, bedding structures and the physical traces of fire survive in sediment peels, faint but readable evidence that people maintained hearths and sleeping areas in this shelter across climatic shifts that transformed the world outside its boulder door.