Le Crotoy – Promenade Alfred Manessier loop from Saint-Valery Port

Saint-Valery-Sur-Somme via the pointe de Houdel — loop from Cayeux-sur-Mer in the parc naturel régional Baie de Somme Picardie Maritime

Le Crotoy by Marais Communal — loop from Quend Plage les Pins

From Abbeville to Amiens via the Somme valley — from Abbeville

The cliffs of Criel — loop from Le Tréport

The cliffs of Ault — loop from Mers-les-Bains in the Baie de Somme Picardie Maritime regional natural park

Berck and foraine d’Authie in a loop

From Houdel Point to Mers-les-Bains via the nature reserve coastal trail — loop from Le Hourdel in the Baie de Somme Picardie Maritime Regional Natural Park

Château d'Eaucourt-sur-Somme and château de Long — loop from Abbeville in the Parc Naturel Régional Baie de Somme Picardie Maritime

Château d'Arrest by the canal de la somme — loop from Saint-Valery

Nature reserve coastal trail — loop from Onival in the Baie de Somme Picardie Maritime regional natural park

Port de Saint-Valery-sur-Somme – Coastal path loop from Hurt

The cliffs of Criel by the château d'Eu — loop from Eu