[1] The reserve would be included in the proposed South Amazon Ecological Corridor.

Rains are abundant, with more rainfall from January to July and less from August to December.

The vegetation is mostly terra firma forest, but there are also areas of igapó, restinga and campina.

Primates include at least one endemic species, the Maués marmoset (Mico mauesi).

Extracted products include wood and turtle eggs, as well as honey and the oils of andiroba and copaíba among others.

On 28 November 2005 the forest was recognized by the Instituto Nacional de Colonização e Reforma Agrária (INCRA – National Institute for Colonization and Agrarian Reform) as supporting 300 families of small rurals producers, who would be eligible for PRONAF support.