The river enters the Atlantic Ocean in the municipality of São João da Ponta, Pará.

The Barreto River divides the São João da Ponta Extractive Reserve to the east from the Mocapajuba Marine Extractive Reserve to the west.

It flows past the village of São Caetano de Odivelas on its left (west) bank.

[2] In this region there is a relatively low population of about 23 people per square kilometer.

This article related to a river in Pará, Brazil is a stub.