Pindar River is a tributary of the Mearim River, a river in Maranho state of northern Brazil, and is called the Pindar-Mirim in its lower reaches.
It is a left tributary of the Mearim River, which it joins not far from that river's mouth in the Baia de Sao Marcos. The Mearim River is a river in Maranhao state of northern Brazil. In its lower reaches it is called the Pindare-Mirim. 
