Réserve naturelle nationale de la baie de Saint-Brieuc, National nature reserve in Saint-Brieuc, France.
The protected area is an expansive coastal landscape with salt meadows, dunes, and broad tidal flats shaped by extreme tidal currents. The terrain displays different habitats that shift with the seasons and water levels, supporting diverse animal and plant life.
The area received protection in 1998 to safeguard marine diversity and coastal ecosystems. This designation recognized the site's role as a critical habitat for migrating birds and other sea organisms.
The education center in the bay teaches visitors about the birds that arrive each year and the work of local mussel farmers who have operated here for generations. You can see how people harvest mussels by hand and understand their connection to this coastal place.
Marked walking trails and several observation points let visitors explore the landscape and watch birds in their natural habitat. The GR34 coastal path runs through the reserve and connects different access points.
The bay experiences some of the strongest tidal movements in the world and attracts tens of thousands of migrating birds that fuel up here before continuing their long journeys. This extreme tidal dynamic creates conditions found in very few other coastal places on Earth.
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