The Arousa estuary is one of the most interesting environmental complexes Galicia ( the intertidal Umia -O Grove) , the bird life is very rich and varied ( waders , alavancos , ducks , cormorants ... ) .

It flows into the river Umia , real waterway of our region. Beaches and rocky outcrops dotting a coastline that borders not very deep water ( 70 to 20 m), while life and small ports surrounding