Gruta de Ubajara (Ubajara National Park)

Lia and I had spent four days in the sertão by the time we reached Ubajara, and my body had settled into the rhythm of dry heat — the kind that makes shade feel like a favor. So when the road started climbing toward the park and the air actually cooled, I rolled the window down just to check I wasn’t imagining it. Ubajara National Park sits right on that seam between the dry caatinga scrub below and a moister, greener forest up on the plateau, and you can feel the switch happen in real time, a few degrees at a time, long before you see a single stalactite.

We took the cable car down — the teleférico — mostly because I’d read that the alternative was a roughly 4-kilometer trail with a serious drop in elevation, and I wasn’t about to test my knees against Ceará’s highlands in July heat. The ride itself was short but properly dramatic, the escarpment falling away under our feet while parrots cut across the gap. I remember gripping the bar and grinning at Lia like an idiot, because it’s one thing to read “cable car descending the escarpment” in a brochure and another to actually feel your stomach drop with it.

Inside, the cave opened up chamber after chamber — nine of them altogether, though only the first stretch, about 420 of the cave’s total 1,120 meters, is lit and walkable. We moved slowly along the built paths, necks craned, picking out shapes in stone that had been dripping into existence for longer than any of the history I usually go looking for on these trips. There’s a formation partway through that locals apparently read as a human silhouette, and our guide paused the group there just long enough for everyone to squint and half-believe it. Lia thought it looked more like a curtain. I sided with the guide, mostly to be contrarian.

What stuck with me afterward wasn’t just the cave — it was walking back out into that in-between forest, still cool, still faintly humid, knowing that a national park established all the way back in 1959, one of Brazil’s earliest, had been quietly protecting this exact transition for over sixty years before we ever climbed up to see it. We ate grilled cheese and tapioca at a stand near the park entrance afterward, still catching our breath from the temperature change, already talking about coming back in a different season just to see how the light in those chambers changes.

When to go: Aim for the dry season, roughly June through December — the trail down is far more manageable then, and the cave itself tends to be clearer and easier to photograph.