Gruta de Maquiné
Gruta de Maquiné (MG-0243) (English: Maquiné Grotto), also Lapa Nova de Maquiné, is the oldest and one of the most commercially visited cave systems in Brazil. It is located about 5 km (3.1 mi) from Cordisburgo and 143 km (88.9 mi) northwest of Belo Horizonte, in the State of Minas Gerais. The network has seven chambers with a total length of 650 m (2, 130 ft) (linear) and unevenness of the ground of only 18 m (59 ft). Safety measures like lighting, walkways and handrails are in place, and experienced local guides are available.
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).