The Crestuma / Lever Dam about 20Km up the river Douro from Porto. The dam was built in 1985 and it measures 470 metre in width Posted by Travel in Portugal on Sat, 21/12/2013 - 21:18 × Related images Ponte Dona Maria Pia - Porto The River Douro Valley Foz do Douro Promenade River Douro Cruise Central Porto Capela do Senhor da Boa Nova