The east is in the Jamanxim-Xingu depression, with flat terrain at elevations of 100 to 400 metres (330 to 1,310 ft), rising in small areas to the residual tablelands of southern Pará, with clusters of hills and low mountains with heights of 350 to 750 metres (1,150 to 2,460 ft).

[2] The Rio Novo National Park was created by decree on 13 February 2006 and is administered by the Chico Mendes Institute for Biodiversity Conservation (ICMBio).

The objective is to preserve natural ecosystems of great ecological relevance and scenic beauty and to enable scientific research, educational activities, environmental interpretation, recreation in contact with nature and ecological tourism.

The fully protected areas, which cover 6,670,422 hectares (16,482,970 acres), are the Amazônia, Jamanxim, Rio Novo and Serra do Pardo national parks, the Nascentes da Serra do Cachimbo Biological Reserve and the Terra do Meio Ecological Station.

[7] The sustainable use areas include the Tapajós environmental protection area and the Altamira, Amaná, Jamanxim, Trairão, Itaituba I, Itaituba II and Tapajós national forests, covering a total of 7,555,889 hectares (18,671,010 acres).