In the 1950s, author Huldine V. Beamish wrote of Marvão, "There is an atmosphere about the district (of Marvão) that is very ancient. At times you have the same peculiar feelings as those evoked by Stonehenge and that amazing druid monument at Callernish in the Isle of Lewis. Picking your way along the steep stony pathways, you would not be at all surprised to meet a Phoenician trader or Roman Soldier.