Boina River

The Boina River is a small river in the south west Algarve, Portugal. It is a tributary of the Arade River which it has a conflux at the Boina Estuary 4.2 mi north of the mouth of the Arade at the town of Portimão.

Description
The Boina River runs for a distance of 30.0 km from its headwater sources which are a number of small streams and brooks rising from springs across the Serra de Monchique. The rivers confluence is with the Arade River forming the western arm of the Arade estuary and is known as the Boina estuary. The head of the estuary is near the village of Arge.