The people who first settled the cirque permanently in the 19th century were maroons -- enslaved people who had escaped from their masters on the coastal plantations. The volcanic walls of the caldera, formed from the collapse of the massive shield volcano Piton des Neiges, created a natural fortress. Towering cliffs called remparts enclosed the basin on all sides, with only the Riviere des Galets offering a narrow drainage gap to the northwest. Inside, the terrain was broken into steep gorges and scattered plateaus, the ilets, where flat ground could be found. Later, after emancipation, poor white laborers also moved into the cirque, drawn by the availability of land. The community that took root was shaped by isolation -- a culture of self-reliance born of necessity, where everything that could not be grown or built locally had to be carried in over mountain passes that could take a full day to cross.

The entire cirque is public property, managed by France's national forestry service. Residents do not own their land or homes; they rent concessions at modest rates. There is no mains electricity. Families generate their own power with solar panels backed by battery storage, supplemented occasionally by diesel generators -- though fuel must be flown in by helicopter at high cost, making every watt a calculation. Solar water heaters are standard. Gas canisters for supplemental heating also arrive by air. Building regulations are dictated by cyclones: only single-story wooden structures are permitted, with concrete limited to the floor slab. La Nouvelle, the cirque's one true village, and its handful of hamlets -- Marla, Roche-Plate, Ilet-aux-Orangers, Grand Place -- have elementary schools, rotating nurses, scheduled physician visits, and grocery stores selling staples. There is no secondary school, no permanent medical facility, no police station. Every emergency requires a helicopter evacuation.

Tourism is the cirque's economic engine, and the absence of roads is its greatest asset. Hikers come to experience terrain that feels genuinely remote while still having access to dormitories, Creole meals, and hot coffee at the gites that many residents operate. The village shops carry drinking water, beer, chocolate, and canned goods -- modest provisions that take on value when the nearest supermarket is a mountain pass and several hours of walking away. Samosas, the island's ubiquitous fast food, are available at small bar-restaurants in the hamlets. With the creation of the Reunion National Park in 2007 and the area's designation as a UNESCO World Heritage Site in 2010, the prospect of roads being built has become essentially impossible. Immigration is strictly regulated; outsiders can practically only move to the cirque through marriage. The community remains small, self-selecting, and shaped by the same geographic logic that drew the first maroons into the crater -- this is a place for people willing to accept remoteness as the price of living somewhere extraordinary.

Three main footpaths connect the cirque to the outside world. The easiest approach crosses the Col des Boeufs -- the Pass of the Oxen -- from the neighboring Cirque de Salazie, where a forestry road leads to parking lots at the pass before the trail drops into Mafate and the village of La Nouvelle. The Col du Taibit, at 2,142 meters, connects from the Cirque de Cilaos to the south. The Canalisation des Orangers follows a drinking water pipe along the cliff face above Saint-Paul, running nearly level for its length -- a long walk but a gentle one. Helicopters handle supply runs and emergencies, and their rotors are the loudest mechanical sound most residents hear on a regular basis. The footpaths are not merely the way in; they are the cirque's connective tissue, linking hamlets separated by gorges that make straight-line distances meaningless. A neighbor living two kilometers away might require a three-hour hike to visit.