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Brazil Tours

Ilha Grande

Rio de Janeiro Tours / Brazil - With 193 square kilometers, Ilha Grande is the largest island of Rio de Janeiro State. The Ilha Grande and Marinho do Aventureiro state parks such as the Praia Sul biological reserve are integral protection conservation units of the Mata Atlântica Biosphere Reserve (see map).

Geologically speaking, Ilha Grande is located in the oriental terrain of the northern Ribeira belt. The core of the island is formed by Precambrian granites with peaks above 1.000 m. Posterior to the collisions of the Neoproterozoic Brasiliano cycle, they intruded the surrounding, softer charnokite rocks.

These igneous intrusive rocks (also called plutons) cooled and crystallized deep below the Earth's surface (10 - 20 km). Erosion and tectonics, during the last 500 million years, brought them up to the Earth's surface and made them visible to us. They are nowadays covered by dense submontane and montane tropical rainforest.

Some ruins, partly covered by the lush vegetation of the Atlantic rainforest, remember Ilha Grande's dark history as a shelter for pirates, a center for contraband slave trade, a quarantine hospital and a high securitiy penitentiary. During the last years, Ilha Grande with its 106 beaches, 14 bays, 4 lakes, 10 rivers and 3 grottos, has become one of the most visited ecotourism locations in the state of Rio de Janeiro. Several rainforest trails take the hiker to the most isolated places of the island – Travel to Brazil / Tours.

See also: Trails / Tours / Map / Climate / Photos

Creation Date:



 S 23º 10’ / W 44º 15’


 5.594 ha


 0 - 1.031 m




 Atlantic Rainforest / (Mata Atlântica)

Ecosystems / Vegetation:

  Tropical Rainforest

Altitudinal Zones:

  Alluvial / Lowland / Submontane / Montane


 Pedra d’Água (1.031 m)
             Pico do Papagaio (959 m)