Explore hiking trails around Sandim, Olival, Lever e Crestuma, Porto. The best hike near Sandim, Olival, Lever e Crestuma is Episcopal Palace of Oporto, a 15.6 mile oneway in Historic Centre of Oporto, Luiz I Bridge and Monastery of Serra do Pilar. Sandim, Olival, Lever e Crestuma has population 15956.0.