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Tua (Portuguese pronunciation: [ˈtuɐ]) is a river in northeastern Portugal, flowing by the border of Vila Real District and Bragança District. It is a tributary of the Douro River. The biggest and most important city it flows through is Mirandela.
The Tua line was a narrow gauge railway which closely followed the banks of the river and was closed in 2008.[1]
In 2017 the Foz Tua project, which includes a dam built near the mouth of the Tua River (at the confluence with the Douro River), started producing energy, after a long controversial process between Portuguese government and environmental organizations.[2]
