Gruta de Ubajara

Gruta de Ubajara (English: Ubajara Grotto) is a limestone cave, located within the Ubajara National Park, near the city of Ubajara, in the foothills of the Serra de Ibiapaba, Ceará, Brazil. Its sequence of nine halls has a length of 1,120 m (3, 674.54 ft), of which 420 m (1, 377.95 ft) are lit trails. The site can be accessed either via a cable car which descends over a 535 m (1, 755.25 ft) deep depression, or on foot along the 4 km (2.49 mi) long Cafundós trail.

Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).