Cuminapanema River

The Cuminapanema River is the river of Pará state in north-central Brazil, a tributary of the Curuá River.

The river basin lies partly within the 4,245,819 hectares 10,491,650 acres Grão-Pará Ecological Station, the largest fully protected tropical forest conservation bit on the planet. It flows through the 3,172,978 hectares 7,840,600 acres Trombetas State Forest from north to south. Part of the river's basin is in the Maicuru Biological Reserve. The river is also fed by streams in the 216,601 hectares 535,230 acres Mulata National Forest, a sustainable ownership conservation module created in 2001.