[2][3][4][5] The municipality contains the 739,806 hectares (1,828,100 acres) Crepori National Forest, created in 2006.

[7] It contains part of the Amaná 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.

[11] However, as of 2010 Eletronorte 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.