Explore hiking trails around Oliveira de Frades, Souto de Lafões e Sejães, Viseu. The best hike near Oliveira de Frades, Souto de Lafões e Sejães is Episcopal Palace of Oporto, a 15.6 mile oneway in Historic Centre of Oporto, Luiz I Bridge and Monastery of Serra do Pilar. Oliveira de Frades, Souto de Lafões e Sejães has population 4006.0.