Vallée du Moulin de la Mer

How to get there

La Vallée du Moulin de la Mer is located 3 km from the town of Matignon.

For easy access, park for free at the Parking de la Vallée, Parking de Saint-Germain or Port Saint-Jean.

Practical information

Two itineraries await you: a 1.6 km loop in the heart of the valley, ideal for family exploration, or a more immersive 7 km hike linking the village of Saint-Germain to the Vallée du Moulin de la Mer. The latter will take you through wooded landscapes and exceptional views over the Baie de la Fresnaye.

Hiking itineraries available in our information offices and on our website.

Tips for visitors

Appreciate the richness of our natural and historical heritage: observe the green woodpeckers, spotted woodpeckers and spotted woodpeckers present in the valley.

Enjoy a sensory stroll where water and light shape the changing landscapes, from peaceful streams to vast tide-influenced marshes.

Don't miss the picturesque ruins of the old mill, testimony to the ingenuity of the past.

Did you know?

The name Matignon has crossed the region's borders to designate the Hôtel Matignon, residence of the French Prime Minister in Paris. This link dates back to 1723, when Jacques III de Goüyon, seigneur de Matignon et de la Roche Goyon (Fort-la-Latte) became the owner.