Buraco das Araras
Dolina·Brazil·Quartzitic
Buraco das Araras, also known as Dolina dos Maracanas, is one of the largest quartzitic sinkholes globally, located in the State of Goiás, Brazil. Discovered in 1912, it is believed to have formed from the collapse of a cave roof and is notable for its immense size and the dense, ancient-looking rainforest it contains.
Key Facts
- ›One of the largest quartzitic sinkholes in the world.
- ›Discovered in 1912.
- ›Depth of 105 meters (344 ft).
- ›Width of 295 meters (968 ft).
- ›Contains a dense rainforest with gigantic ferns.
- ›Located in the municipality of Formosa, Goiás, Brazil.

Dolina dos Maracanas, Hole of the Macaws
Dense Rainforest With Gigantic Ferns
About Buraco das Araras
Buraco das Araras, also recognized as Dolina dos Maracanas, stands as one of the world's most substantial quartzitic sinkholes. Located in the State of Goiás, Brazil, this geological marvel is situated approximately 120 kilometers west of Brasília and a mere 16 kilometers from the district of Bezerra, within the municipality of Formosa.
Discovery and Formation
First discovered in 1912, the prevailing theory suggests that Buraco das Araras was formed by the natural collapse of an underground cave's roof. This dramatic geological event created a vast cavity that now shelters a unique ecosystem.
Dimensions and Features
The sinkhole boasts impressive dimensions, measuring 105 meters (344 ft) in depth and an expansive 295 meters (968 ft) in width. Within its immense confines lies a dense rainforest, characterized by the presence of gigantic ferns that evoke a sense of ancient times, hinting at a primitive age.
Location and Access
Reaching Buraco das Araras involves a journey starting from Formosa. Travelers typically follow BR-020 north for 41 kilometers to the village of Bezerra. After proceeding four kilometers past the settlement, a turn to the left leads onto a dirt road for 7 kilometers, followed by another left turn for an additional two kilometers to reach the site.
Source: Wikipedia ↗
Frequently Asked Questions
What is Buraco das Araras?
Buraco das Araras, also known as Dolina dos Maracanas, is a very large quartzitic sinkhole located in the State of Goiás, Brazil. It is considered one of the largest sinkholes in the world.
When was Buraco das Araras discovered?
This sinkhole was discovered in 1912. It is believed to have formed from the collapse of the roof of an underground cave.
How large is Buraco das Araras?
Buraco das Araras has a significant size, with a depth of 105 meters (344 ft) and a width of 295 meters (968 ft).
What is notable about the interior of Buraco das Araras?
Inside Buraco das Araras, there is a dense rainforest. This rainforest features gigantic ferns, giving it a primitive appearance.
Where is Buraco das Araras located?
This sinkhole is situated in the State of Goiás, Brazil. It is approximately 120 kilometers west of Brasília and 16 kilometers from the district of Bezerra, within the municipality of Formosa.