The Onion Fair of Miño Food and drink · Miño, Betanzos, A Coruña Image of Miño, not of the place itself. A fair devoted to the onion grown in the bottomlands of the concello, held in high summer and bringing together the producers of the Mariñas. It keeps alive a market gardening of the estuary head closely tied to the markets of Betanzos. primeros días de agosto Photo: José Antonio Alonso (CC BY 2.0) What to see and do in Miño