The Rio Roosevelt State Forest was in the municipality of Pimenta Bueno, Rondônia.

The Parque Indígena do Aripuanã lay on the opposite side of the Roosevelt River.

[2] The forest was to be in the proposed South Amazon Ecotones Ecological Corridor.

[6] On 31 May 2010 João Aparecido Cahulla, governor of the state, asked the legislative assembly to approve cancellation of the decree that created the forest based on recommendations of a study by a team of technicians.

[6] The request was approved on 13 July 2010, one of six conservation units cancelled at a special session of the assembly.