Tua () is a

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

in northeastern

Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...

, flowing by the border of

Vila Real District The District of Vila Real ( ) is a district of northern Portugal. With an area of , the district is located east of the port city of Porto and north of the Douro, Douro River. Vila Real has always belonged to the historical province of Trás- ...

and Bragança District. It is a tributary of the

Douro River The Douro (, , , ; ; ) is the largest river of the Iberian Peninsula by discharge. It rises near Duruelo de la Sierra in the Spanish province of Soria, meanders briefly south, then flows generally west through the northern part of the Meseta ...

. The biggest and most important city it flows through is

Mirandela Mirandela (), officially the City of Mirandela (), is a city and a municipality in northeastern Portugal. The city itself is contained by the Mirandela parish, which had a population of 11,397. The population of the municipality in 2021 was 21,38 ...

. The

Tua line The Tua line was a metre gauge railway line in northern Portugal, which connected Tua railway station, Tua to Bragança railway station, Bragança. The line was opened in 1887 and closed in 2018. The section from Mirandela railway station, Mi ...

was a narrow gauge railway which closely followed the banks of the river and was closed in 2008. 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. Mirandela Tua river 1

References

Rivers of Portugal Tributaries of the Douro River {{Portugal-river-stub