The Delta is shaped like an arrowhead and is made of the sediments brought down by the river Ebro, having travelled over thousands of kilometers from places where the Pyrenees, Cantabrian and Iberian Mountains rise, creating the second largest delta on the Mediterranean.
When there is heavy rain, the river down to the Delta can overflow, depositing large amounts of silt and sand on the surface which improves soil fertility for agriculture and increases the height above the sea level. Actually, it has a surface extension 320 km of which 22 km are within the Mediterranean Sea. 75% of this area is arable. In the Ebro, There is a population of 50,000 inhabitants and rice fields cover an area of 20,000 hectares.
The Ebro Delta is the largest wetland in Catalonia and the second in the Iberian Peninsula after Doñana National Park. Many species of birds arrive every year, there are over 95 species that nest here, rest, hibernate and feed. But the Delta is home to 316 species of common birds and some 360 recorded birds, of the 600 that exist in Europe.
Ebro Delta National Park
The Ebro Delta, is located at the mouth of the Ebro river in the province of Tarragona, between the Baix Ebre and Montsià, in the southernmost part of Catalonia. It was declared a Natural Park in August 1983 and expanded in 1986. Today, it has a total area of 7,736 hectares.
The Ebro River is mainly responsible for this environment, providing material torn from his head and deposited here in conjunction with the Mediterranean Sea. The Ebro Delta is the largest wetland in Catalonia and one of the largest in Europe.