[1] The Roosevelt River, running north from the state of Mato Grosso, divides the forest into a western and eastern part.
To the north both parts of the forest adjoin the Campos Amazônicos National Park.
It adjoins the Rio Roosevelt Ecological Station and the Tucumã State Park in Mato Grosso.
[3] The forest is an integral part of the Apuí Mosaic, which totals 2,467,243 hectares (6,096,690 acres) in area and contains the Guariba and Sucunduri State Parks; Bararati and Aripuanã sustainable development reserves; Guariba Extractive Reserve; and Sucunduri, Aripuanã, Apuí and Manicoré state forests.
[4] With the Juruena and Campos Amazônicos national parks the mosaic forms the Southern Amazon Conservation Corridor, over 9,000,000 hectares (22,000,000 acres) of protected areas designed to resist strong deforestation pressure caused by the advance of the agricultura frontier into the Brazilian Amazon.