the castle of the village of montemor-o-velho in portugal is the main fortress of the baixo mondego in medieval times

portugal montemor velho castle fort fortress santa maria alcacova lady assumption wall landmark history historic travel old tourism architecture historical building monument europe medieval ancient tower culture heritage hill stone fortification coimbra montemorovelho landscape church portuguese fortifications ruin tourist attraction municipality castelo igreja citadel column catholicism christian romanesque hall village montemor-o-velho main baixo mondego times imposing