Church of Santa María de Ferreira Monument · O Valadouro, Mariña Central, Lugo The parish church of Ferreira, capital of the concello since its constitution and a villa since 1894; it presides over the settlement that brings together the services of the ten parishes spread across the valley of the Ouro. Photo: Fernando Losada Rodríguez (CC BY-SA 4.0) What to see and do in O Valadouro