Fortaleza Canyon is a

canyon A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tenden ...

located in

Serra Geral National Park Serra Geral National Park ( pt, Parque Nacional da Serra Geral) 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 cr ...

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 st ...

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

References

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