© All Rights Reserved The Crestuma / Lever Dam about 20Km up the river Douro from Porto. The dam was built in 1985 and it measures 470 metre in widthRelated images Porto Monument Bolsa Palace from Praca Infante Dom Henrique Palace Pinto Leite - Porto Porto - Hole in the wall Old Window - Entre Quintas - Porto Rua Santa Catarina - Porto