Alcáçovas (river)

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Alcáçovas
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Data
location	Alentejo region in Portugal
River system	Sado
Drain over	Sado  → Atlantic
muzzle	Sado coordinates: 38 ° 22 ′ 2 "  N , 8 ° 29 ′ 18"  W 38 ° 22 ′ 2 "  N , 8 ° 29 ′ 18"  W.
Reservoirs flowed through	Dam Pego do Altar

The Alcáçovas ( Portuguese Ribeira das Alcáçovas ) is a river in the Alentejo region of Portugal that flows through the districts of Évora and Setúbal . It arises from the confluence of the Valverde ( Portuguese Ribeira de Valverde ) and São Brissos ( Portuguese Ribeira de São Brissos ) about 15 kilometers southwest of the city of Évora , then flows in a westerly direction and finally flows into the Sado above the city of Alcácer do Sal .

About six kilometers before it flows into the Sado, the Alcáçovas is dammed up into a reservoir by the Pego do Altar dam.