Ilha do Bananal

Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Bananal Island , island, Tocantins estado (state), central Brazil . The island is formed by the Araguaia River , which for 200 miles (320 km) divides into major (western) and minor (eastern) branches, with Bananal Island lying between them. The major branch of the Araguaia forms part of the boundary between Mato Grosso and Tocantins states. Small boats navigate the minor branch. The island (maximum width 35 miles [55 km]) is the habitat of babassu palms ( see photograph), tropical birds, and freshwater fish. Suyá Indians live on Bananal Island. It became the Araguaia National Park in 1959 and includes an airstrip. It is the largest known inland river island in the world and a source of ecotourism for the region. This article was most recently revised and updated by Amy McKenna . AI-generated answers from Britannica articles. AI makes mistakes, so verify using Britannica articles. Our editors will review what you’ve submitted and determine whether to revise the article. While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Britannica Editors. "Bananal Island". Encyclopedia Britannica , 2 Mar. 2024, Accessed 15 July 2026.

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