Estuary of the Miño Nature · A Guarda, Baixo Miño, Pontevedra Image of A Guarda, not of the place itself. A Special Protection Area for Birds at the mouth of the river, with reed beds, wet meadows and sandbanks; in winter it takes in cormorants, waders and the osprey, and it is one of the largest wetlands in the north-west. Photo: Luis Miguel Bugallo Sánchez (Lmbuga) (CC BY-SA 3.0) What to see and do in A Guarda