Buraco das Araras - Dolina dos Maracanas (BR-020) (English: Hole of the Macaws) is one of the largest quartzitic caves located in the State of Goiás, Brazil. It is located about west of Brasília and from the district of Bezerra, in the municipality of Formosa. It is considered one of the largest sinkholes (dolinas) in the world.
Description Discovered in 1912, it is believed that the hole has been formed by the collapse of the roof of a cave. The cave itself is deep and wide, having in its midst a dense rainforest with gigantic ferns typical of a primitive age.
Getting there To reach it the traveler must travel from Formosa, following BR-020 north as far as the village of Bezerra. Four kilometers after the settlement, one should turn left and drive on a dirt road for and then turn left for two more kilometers.
See also List of caves in Brazil Gruta do Centenário Lapa Terra Ronca
References