Fortaleza Canyon is a

canyon A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. Rivers have a natural tendency t ...

located in

Serra Geral National Park Serra Geral National Park () is a national park in the states of Rio Grande do Sul and Santa Catarina, Brazil. Location Serra Geral National Park is in the Atlantic Forest biome. It covers . The park was created by decree 531 of 21 May 1992, a ...

in Cambará do Sul,

Rio Grande do Sul Rio Grande do Sul (, ; ; "Great River of the South") is a Federative units of Brazil, state in the South Region, Brazil, southern region of Brazil. It is the Federative units of Brazil#List, fifth-most populous state and the List of Brazilian s ...

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

References

Canyons and gorges of Brazil Landforms of Rio Grande do Sul {{RioGrandedoSul-geo-stub