The Serra de Baturité is a geological accident with ecological consequences. The massif rises steeply out of one of the driest regions in Brazil, and altitude does the rest: moist air lifted over the slopes drops around 1,500 millimetres of rain a year, roughly triple what the surrounding sertão receives. The result is a brejo de altitude — a highland wet forest, one of the last remnants of Atlantic Forest in the northeast, stranded hundreds of kilometres from the coastal forests it belongs to. Botanically it is an island. Cloud sits on the ridgelines for much of the year, the vegetation is dense and dripping in a way nothing below it is, and the whole thing floats above a landscape of grey thorn scrub. Drive up from Fortaleza, 110 kilometres away, and the transition happens in the space of about twenty minutes.

The Tarariús were the first people recorded here, settling the area toward the end of the nineteenth century. The town that grew alongside them was originally called Conceição, after Nossa Senhora da Conceição, and its founding is dated to 5 September 1890 — the same year the name was changed to Guaramiranga. Full municipal emancipation took considerably longer, arriving on 22 September 1957. Two churches anchor the small centre: the Igreja Matriz Nossa Senhora da Conceição, whose feast falls on 8 December, and the Igreja Nossa Senhora de Lourdes. The whole municipality covers just 59 square kilometres, which makes Guaramiranga one of the smallest towns in Ceará by any measure you choose — area, population, or the time it takes to walk from one end of it to the other.

The Festival de Jazz & Blues runs during Carnival and is the reason most Brazilians have heard of Guaramiranga at all. It is a strange and successful piece of cultural positioning: rather than compete with Salvador and Recife on their own terms, a town of five thousand offered the opposite — cool air, quiet, and a genre that rewards listening. In November the town hosts the Ceará Fest Flores, built around the ornamental flowers and horticulture the highland climate makes possible. Between festivals, Guaramiranga runs on pousadas and restaurants catering to people escaping the coastal heat, including the Vale das Nuvens — the valley of clouds — which is less a marketing flourish than an accurate description of what happens outside the windows most mornings.

Guaramiranga's most consequential export was a scientist. Fernando de Mendonça was born here and went on to become the first director of the Instituto Nacional de Pesquisas Espaciais, Brazil's National Institute for Space Research, and is remembered as one of the fathers of the Brazilian space programme. There is a certain symmetry in a man from a mountain town spending his career pointing instruments at the sky. The town also maintains an aeronautics museum with an Embraer AT-26 Xavante, a Brazilian-built jet trainer, parked at the entrance, which is an unexpected thing to encounter on a road through highland cloud forest.

The highest ground in the state of Ceará lies inside Guaramiranga's territory. Pico Alto reaches 1,114 metres, and on a clear morning the view from the top runs out over the massif's forested folds and then, beyond them, over the dry plain that makes those folds so improbable. The mountain and everything around it fall inside the Environmental Protection Area of the Serra de Baturité, the first and the largest protected area established in Ceará, covering 32,690 hectares across twelve municipalities: Guaramiranga, Baturité, Pacoti, Mulungu, Aratuba, Redenção, Acarape, Palmácia, Capistrano, Itapiúna, Caridade and Canindé. Protection matters here in a specific way. This is not a large wilderness with room to absorb damage — it is a small, isolated forest with nowhere for its species to retreat to.