Ría de Arousa

The northern zone, corresponding to the province of A Coruña, is relatively steep, with the Serra da Barbanza near the coast.

The beaches take a few metres depth from the shore, forming sand banks in the interior bays.

The characteristic of the coast is shallow, with extensive formation of sand banks, where many arenicolous bivalves are grown like cockles or clams.

This southern area is relatively flat up to the highlands of Mount Castrove, which separates it from the Ría de Pontevedra, and is characterized by small farm plots usually cultivated with vegetables (Padrón peppers, tomato, lettuce and legumes) or grapevines.

Its physical configuration allows a high production of phytoplankton, with a characteristic ocean flow that makes this river famous for its rich marine life.