Tâmega

Tâmega

The Tâmega River (pron. 'tɐmɨgɐ) is an international river (of Spain and Portugal). The river begins its course near Verín, Galicia flowing south to Portugal, in the historical provinces of Trás-os-Montes and Douro Litoral.

The Tâmega River is a tributary of the Douro River. From Verín it flows south to Portuguese city of Chaves, then it flows through a fertile valley called the Veiga. Below Chaves the river narrows to pass through mountains and valleys. Owing to low water level and frequent small dams it is not navigable, passing through the cities of Amarante and Marco de Canaveses, flowing in the Douro River, near Entre-os-Rios: in fact Entre-os-Rios means between the rivers.

The Tâmega is more important historically than economically. It has always served as an invasion route for foreign armies intent on reaching the richer southern lands of Portugal. The valley around Chaves has especially seen its share of battles and invading armies.

Unfortunately, like many rivers today, the Tâmega suffers from pollution and the ravages of sand and gravel extraction companies. The quality of the water has deteriorated greatly. Another problem is the periodic occurrence of flooding. At the time of writing these problems have not been addressed.

Since the completion of the Torrão Damn in 1988, situated in Marco de Canavezes, the Tâmega has been slowly recovering from the effects of pollution. Sand extraction activities have been prohibited and many upstream cities installed modern sewage treatment plants. A new damn is planned between the citiy of Amarante and the town of Mondim de Basto. Besides producing electricity, the project will have feature a flood control system that will divert the waterflow towards the smaller Olo river.

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