25821237IslandIsland in the Xingu river, just upstream of Altamira. The name is not known.
The polygon excludes a small flat rocky area on the southern end which is presubaly submerged in the rainy season.-52.2087854-3.263697BrazilParaAltamira4356-3.2628535-3.2645405-52.208367-52.2092038
islanddo not draw title