The municipality contains the 739,806 hectares (1,828,100 acres)Crepori National Forest, created in 2006.[6]It contains 14% of the 1,988,445 hectares (4,913,550 acres)Tapajós Environmental Protection Area, created in 2006.[7]It contains part of theAmaná National Forest, a 539,571 hectares (1,333,310 acres) sustainable use conservation unit created in 2006.[8]
The municipality contains the 126,000 hectares (310,000 acres)Sai Cinza Indigenous Territory, established in 1991.[9]It contains part of the 2,382,000 hectares (5,890,000 acres)Mundurucu Indigenous Territory, established in 2004.[10]It would contain part of the reservoir of the proposedChacorão Dam on theTapajós, if approved.[11]However, as of 2010Eletronorte had not applied for registration with the National Electricity Agency to start feasibility studies for the Chacorão hydroelectric power plant, since the dam would flood parts of the Mundurucu and Sai Cinza indigenous territories.A spokesman said that without a decree to regulate the constitution there was no way to undertake projects in indigenous territories.[12]
^"Divisão Territorial do Brasil" (in Portuguese). Divisão Territorial do Brasil e Limites Territoriais, Instituto Brasileiro de Geografia e Estatística (IBGE). July 1, 2008. RetrievedDecember 17, 2009.