The Tucano Sustainable Yield State Forest is in the municipality of Cujubim, Rondônia.

[2] The forest is in the north east of the state in the Machado River basin, at an altitude of about 100 metres (330 ft).

[3] The forest was originally one of the "blocks" of the 1984 Cujubim settlement project.

The Secretaria de Estado do Desenvolvimento Ambiental (SEDAM) was given administrative responsibility.

The purpose was to provide a space for sustained production of renewable forest resources with natural regeneration, to ensure productive capacity of the forest with minimal alteration of ecosystems.