Hermitage of San Cosme de Mántaras Monument · Irixoa, Betanzos, A Coruña A chapel in the parish of Santa María de Mántaras, one of the few monumental landmarks of a mountain municipality of 68 square kilometres divided into seven parishes between the Terra Chá and the Betanzos estuary. Photo: Chorima1 (CC BY-SA 3.0) What to see and do in Irixoa