Botanists call the Kogelberg Mountains the heart of the fynbos, and the designation is earned. The reserve protects a significant portion of Kogelberg Sandstone Fynbos, a vegetation type so rich in endemism that hundreds of its plant species exist nowhere else. The protea family is especially well represented -- look for the waboom, Protea nitida, with its broad silvery leaves and creamy flower heads on the upper slopes. Hundreds of Erica species carpet the hillsides in shades of pink and white, while restios fill the valleys with their reed-like stems. But fynbos is only part of the story. In the ravines and river valleys, relic Southern Afrotemperate Forests grow in the shade -- cool, mossy pockets of wild almond, butter-spoon trees, rapanea, and yellowwoods, survivors from a time when the Cape climate was wetter and forests more widespread.

The Kogelberg's preservation is partly an accident of geography. During the early colonial era, explorers who penetrated these mountains reported on their beauty and abundant wildlife but concluded that the terrain was far too extreme and inaccessible for farming. The Kogelberg region therefore remained almost pristine while the lowlands around it were plowed and planted. In the early nineteenth century, the Cape Colony government designated the entire area Crown Land, locking it in bureaucratic stasis. It stayed that way for over a century. When a road was finally built through the mountains in 1935, the Department of Forestry moved in and declared its intention to convert the slopes to timber plantations. The fynbos, which had survived millennia of fire and drought, now faced a threat it could not outgrow.

The rescue came from an unlikely quarter. On 18 April 1951, local landowner Harry Molteno put a proposal to his Cape Tercentenary Foundation board: turn the Kogelberg into a nature reserve. Molteno was a passionate fynbos enthusiast who understood what would be lost if the timber plantations went ahead. He secured the support of the Cape Western Conservancy and Professor Harold Compton of Kirstenbosch Botanical Gardens, and later in the decade, his financial grant established the Kogelberg preserve on the land south of the N2 and west of the Palmiet River. Infrastructure was built, fences erected, biological surveys conducted. In 1987, the conservation area was transferred to Cape Nature Conservation and formally designated a nature reserve. What had been saved from the sawmill was now protected by law.

The Kogelberg Nature Reserve now forms the core of the 1,000-square-kilometer Kogelberg Biosphere Reserve, recognized by UNESCO as a site of global ecological significance. The biosphere model surrounds the strictly protected core with buffer zones of natural vegetation and transitional zones of environmentally aware farms and towns. The mountain slopes within the reserve itself are closed to the public -- a rarity in South African conservation, and a measure of how seriously the ecosystem's fragility is taken. But a portion of the reserve is open for hiking, following the valleys and waterfalls of the Steenbras River Gorge, where chacma baboons forage on the rocky slopes and the Palmiet River, the most untouched waterway in the southwestern Cape, winds through forests of indigenous trees. The R44, the coastal road that skirts the reserve's seaward edge, offers views of whales and dolphins in season -- the ocean as wild as the mountains behind it.