Lapa dos Brejões
The 25th longest cave in the world
7.8km · Length
Lapa dos Brejões is a complex of caverns formed in Neoproterozoic limestones of the Una Group of caves (Salitre formation) along the Jacaré river, northeast side of the Irecê sedimentary basin. It is located in the northern portion of the Chapada Diamantina - Polígono das Secas, in the north central part of the state of Bahia, about 500 km (310 mi) from the capital Salvador, in Brazil. According to local people, the Lapa dos Brejões was discovered in 1877, and the first discoveries inside the cave were published in 1938.
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).