Vow of Chanteiro Activity · Ares, Ferrol, A Coruña Image of Ares, not of the place itself. A pilgrimage festival held on Whit Tuesday at the hermitage of Nosa Señora da Mercede: it was born of a vow made by the authorities of the comarca in 1404, when plague was ravaging the area, and it still binds Ares, Mugardos and Ferrol together. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Ares