Monterroso is a municipality in Lugo province in Galicia in north-west Spain.HistoryMonterroso was the seat of an important tenencia in medieval Galicia. Among its known tenants were:Suero Vermúdez (c.1100)Gutierre Vermúdez (1112)Munio Peláez (1112–16)Fernando Pérez de Traba (1140–53)Gonzalo Fernández de Traba (1157–60), son of the formerFernando González de Traba (1160–63)Rodrigo Álvarez (1168)Gómez González de Traba (1170–73), first timeGómez González de Manzanedo (1173)Gómez González de Traba (1189–1200), second time