Guidebook with maps/step-by-step
Set off from Le Martray towards the village of Ars-en-Ré. Cross the harbour and head for Les Portes-en-Ré.
Follow the cycle path through the salt marshes to the village of Portes-en-Ré.
Then pick up the cycle path again in the forest to reach the Baleines lighthouse and then the village of Saint-Clément-des-Baleines.
Finish the loop by returning to the village of Ars-en-Ré.