Estruval – Regnière-Écluse Castle loop from Regnière-Écluse

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

South coast loop of the Baie de Somme

Berck and foraine d’Authie in a loop

Baie de Somme South Coast Loop

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

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

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

Port of Saint-Valery-sur-Somme – Saint-Valery-sur-Somme Lock loop from Hurt

Les Eoliennes — loop from Trépied

Along the canalised Somme — loop from Abbeville in the Baie de Somme Picardie Maritime regional natural park