The Ave River is a river located in northern Portugal, flowing through the region of Minho. It is approximately 70 kilometers long and is known for its scenic beauty and natural landscapes. The river originates in the Serra do Carvalho mountain range and eventually empties into the Cávado River. The Ave River is significant for its role in local agriculture and ecology. It supports various wildlife and provides water for irrigation in the surrounding areas. The river also features several small towns along its banks, contributing to the cultural and economic life of the region.