Baie d'Authie

The Baie d'Authie is a protected bay and estuary on France's northern coast featuring extensive salt marshes, mudflats, and intertidal zones. The landscape shifts through different habitats depending on water levels and the seasons.

This estuary sustained local communities for centuries through its fishing grounds and salt harvesting from the marshlands. The protected area status was established to preserve these valuable natural resources.

The bay holds deep roots in shellfish harvesting and fishing, activities that still shape how local people spend their days. These customs follow the tides and seasons in ways that have changed little over generations.

The best way to explore the area is through several observation points and marked walking trails accessible from different entry points. Visitors should prepare for changing weather conditions and wear sturdy shoes, as the ground is uneven and often wet.

Harbor seals regularly rest on sandbanks when the water recedes, and more than two hundred bird species use the different habitats as home or stopping points. This diversity makes it a significant location for watching wildlife.

Location: France

Part of: English Channel

Shares border with: Fort-Mahon-Plage

Address: Baie d'Authie, France

GPS coordinates: 50.37142,1.57637

Latest update: December 10, 2025 16:02