Cupari River

The Cupari River (Rio Cupari) is a river that flows into the Tapajós in the Amazon rainforest of Brazil. Rio Cupari is in the eastern part of the Amazon River basin.

The river flows through the Itaituba I National Forest, a 220639 ha sustainable use conservation area established in 1998. Before entering the Tapajós it flows along the south west boundary of the Tapajós National Forest, a 549067 ha sustainable use conservation unit created in 1974.