25870640IslandIsland in the Xingu River, upstream of the city of Altamira PA. Apparently not inhabited. Name unknown.
The polygon follows the vegetation outline, excluding areas that are probably submerged in the rainy season, like the flats at the eastern end.-52.2275904-3.388788BrazilParaAltamira13050-3.387721-3.3898549-52.2256364-52.2295443
islanddo not draw title