It has been designated a European Destination of Excellence (EDEN) by the European Commission in recognition of its proposal for sustainable tourism. This natural area located in Tarragona covers 320 square kilometres; the width of the river ranges from 160 to 380 metres depending on the area, and it has an average depth of 3 to 5 metres.
These flat lands give the Ebro Delta its unique landscape, which varies according to the season of the year. It is home to everything from market gardens and orchards to rice fields, while in the coastal area there are large lakes fringed by rush and reed beds. The area around this nature reserve is characterised by its saline soils, and extensive deserted sandy beaches with dune systems.