dams A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use ...

reservoirs A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including control ...

Vieira do Minho Vieira do Minho (, ) is a municipality in the district of Braga, in the north of Portugal. The population in 2011 was 12,997, in an area of 216.44 km². The present mayor is António Cardoso, elected by a coalition between PSD and the CDS– ...

Campo do Gerês Campo do Gerês is a Portuguese ''freguesia'' ("civil parish"), located in the municipality of Terras de Bouro in the district of Braga. The population in 2011 was 149, in an area of 62.38 km2. Description The parish is located within the ...

Picote Dam Picote Dam ( pt, Barragem de Picote, links=no) is a concrete arch dam on the Douro, located in the municipality Miranda do Douro, in Bragança District, Portugal. Construction of the dam began in 1953. The dam was completed in 1958. It is owned ...

Bemposta Dam Bemposta Dam ( pt, Barragem de Bemposta, links=no) is a concrete arch dam on the Douro, where the river forms the national border line between Spain and Portugal. It is located in the municipality Mogadouro, in Bragança District, Portugal. Cons ...

Aldeadávila Dam Aldeadávila Dam is a concrete arch-gravity dam on the Duero River (also known as the Douro River) in Spain, near the border with Portugal.Saucelle Dam The Saucelle Dam is a gravity dam on the Douro River. It is located about west of Saucelle in the province of Salamanca, Castile and León, Spain. The dam straddles the border of Spain and Portugal but is owned and operated by Spain's Iberdrola ...

Valeira Dam Valeira Dam ( pt, Barragem da Valeira, links=no) is a concrete gravity dam on the Douro, where the river forms the border line between the districts of Viseu and Bragança. It is located in the municipality São João da Pesqueira, in Viseu Distri ...

Peso da Régua :''Regua leads here. For American major general, see Eldon Regua'' Peso da Régua (), commonly known as Régua, is a municipality in northern Portugal, in the district of Vila Real. The population in 2011 was 17,131 (of which approximately 10,000 ...

Foz do Sousa Foz () is a town and municipality in the A Mariña Central comarca in the Galician province of Lugo. It has been historically linked to the Ancient Province of Mondoñedo and also linked to the arrival of Briton immigrants during the Dark Ages ...

Ponte da Barca Ponte da Barca (; ) is a municipality in the district of Viana do Castelo in Portugal. The population in 2011 was 12,061, in an area of 182.11 km2. The present Mayor is Augusto Manuel Dos Reis Marinho, elected by the PSD. The municipal holid ...

Sabugal Dam Sabugal () is a city and a municipality in the District of Guarda, Portugal. A border municipality with Spain, the population of the municipality in 2011 was 12,544, in an area of 822.70 km2. The city proper, located along the Côa river, has ...

Cabril Dam Cabril Dam ( pt, Barragem do Cabril, links=no) is a concrete double curvature arch dam on the Zêzere River, where the river forms the border line between the districts of Castelo Branco and Leiria. It is located in the municipality Sertã, in Ca ...

Sertã Sertã () is a municipality in Castelo Branco District in Portugal. The population in 2011 was 15,880, in an area of 446.73 km2. The present mayor is José Farinha Nunes, elected by the PSD. The municipal holiday is the June 24. General ...

Vila Velha de Ródão Vila Velha de Ródão () is a municipality in the district of Castelo Branco in Portugal. The population in 2011 was 3,521,Barragem da Marateca

Castelo Branco, Portugal Castelo Branco () is an inland city and municipality in Central Portugal. It has 34,471 inhabitants in its urban area (2021) and is the seat of the district of the same name. The municipality, with 52,291 inhabitants, is made up of 19 freguesias ( ...

* Marechal Carmona Dam,

Idanha-a-Nova Idanha-a-Nova () is a town and surrounding municipality in the district of Castelo Branco, in east-central Portugal. A border municipality with Spain, the population of the municipality in 2011 was 9,716, in an area of 1416.34 km2, making it ...

Coimbra

* Aguieira Dam, Penacova * Santa Luzia Dam,

Pampilhosa da Serra Pampilhosa da Serra () is a town and a municipality in the Coimbra District Coimbra District ( pt, Distrito de Coimbra, or ) is located in the Centro Region, Portugal. The district capital is the city of Coimbra. Municipalities The district ...

Médio Tejo

* Pracana Dam, Mação

Lisboa e Vale do Tejo

*

Castelo de Bode Dam Castelo do Bode Dam is a concrete arch-gravity dam on the Zêzere River, a tributary of the Tagus River, located southwest of Tomar and north of Constância, in Santarém District, Portugal. It is one of the tallest structures in Portugal. Th ...

, São Pedro de Tomar,

Tomar Tomar (), also known in English as Thomar (the ancient name of Tomar), is a city and a municipality in the Santarém district of Portugal. The town proper has a population of about 20,000. The municipality population in 2011 was 40,677, in an a ...

Alentejo

Alto Alentejo

* Belver Dam, Belver, Gavião * Maranhão Dam,

Maranhão Maranhão () is a state in Brazil. Located in the country's Northeast Region, it has a population of about 7 million and an area of . Clockwise from north, it borders on the Atlantic Ocean for 2,243 km and the states of Piauí, Tocantins a ...

, Avis

Alentejo Central

* Alqueva Dam, Alqueva, Portel

Alentejo Litoral

* Santa Clara-a-Velha Dam, Santa Clara-a-Velha,

Odemira Odemira ( or ) is a town and a municipality in Beja District in the Portuguese region of Alentejo. The population in 2011 was 26,066, in an area of 1720.60 km2, making it the largest municipality of Portugal by area. It is famous for its wi ...