Europe-Places.com has listed approx 33 Swimming lakes in Portugal. Some of the Top rated Swimming lakes in Portugal are- Azibo Reservoir Protected Landscape, Azibo Reservoir Protected Landscape, Azibo Reservoir Protected Landscape, Praia Fluvial de Foz d'Égua, Praia Fluvial de Foz d'Égua, Praia Fluvial de Foz d'Égua, Mosteiro's River Beach, Mosteiro's River Beach, Poço Azul & Poço Negro do Soajo.