The Somme is the largest estuary in northern France . This is an exceptional space labeled Grand Site of France by the French Ministry of Ecology . Its wide opening to the Channel, more than 5 km , depending on tides and seasons , offers a wide variety of landscapes sky , land and sea merge come in subtle shades and lights. Hundreds of species of birds make a stop during their migrations . The most emblematic case is represented by the largest seal colony sailors France calves. The Somme has a major ecological and landscape interest to be protected and preserved. Local actors have therefore implemented a policy of responsible tourism , offering visitors an alternative to any car. You find on the website Baiecyclette 9 loops to discover the Baie de Somme otherwise full of practical information ( bike rental, accommodation ... ), and tips of the month .
KEY FIGURES 20,000 people 10 million tourists annually ( including 2 million on major natural spaces) 72 km of coastline, of which only 15% urbanized 72 km ² estuary 3000 ha nature reserve 17,000 hectares of protected natural areas 44 km of cross cyclablesomme otherwise full of practical information ( bike rental, accommodation ... ), and tips of the month .