The Tâmega River is a significant waterway located in northern Portugal. It flows for approximately 130 kilometers, originating in the Sierra de Alvão mountains and eventually merging with the Douro River near the city of Peso da Régua. The river is known for its picturesque landscapes and is an important resource for the surrounding communities. The Tâmega River basin supports various ecosystems and is home to diverse flora and fauna. It also plays a crucial role in local agriculture and hydropower generation. The river's banks are dotted with charming towns, making it a popular destination for outdoor activities such as hiking and fishing.