Lakes near Bernay-En-Ponthieu are primarily found within the broader natural landscapes of the Maye Valley and the Baie de Somme. This region, historically marshy and shaped by the Maye river, features various water bodies that contribute to its ecological significance. While not characterized by large, prominent lakes, the area offers natural attractions and opportunities for observing local flora and fauna. These water features are often integrated into hiking trails and natural reserves, providing points of interest for visitors exploring the…
Last updated: May 11, 2026
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The bay of summer, on our trip it was low tide.
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Magnificent view of the Bay of Somme at the port of Saint-Valery-sur-Somme. The largest French colony of harbor seals has taken up residence in the Bay of Somme, and you can see them here at high tide.
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Cross the Bay of the Somme from Crotoy, take the steam train back and then go to Le Hourdel to see the seals, that's all you need for a wonderful holiday. https://youtu.be/nenNw-_0ADE
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Cross the Bay of the Somme from Crotoy, take the steam train back and then go to Le Hourdel to see the seals, that's all you need for a wonderful holiday. https://youtu.be/nenNw-_0ADE
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Magnificent landscapes but walking is more difficult in the sand...
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It's great to see how the landscape keeps changing due to the tides
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The Crotoy municipal marsh is often compared to a miniature version of the Camargue, offering a panorama rich in biodiversity. This natural space promises a total immersion experience for flora and fauna lovers. Don't forget your binoculars to better observe the various species that make their home there, such as storks, swans, ponies and Highland cows. It is also possible to hear or see the green tree frog, an amphibian characteristic of this region.
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Magnificent landscapes with breathtaking ecological richness. Here you can observe many species of salt-loving plants, migratory birds, and the largest colony of seals in France.
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The region around Bernay-En-Ponthieu is characterized by its hydrographic network, primarily the Maye Valley and the Baie de Somme. You'll find historically marshy areas, wetlands, and smaller bodies of water that are significant for their ecological value and wildlife, rather than large, traditional lakes. These areas are often integrated into hiking and cycling routes.
For seals, visit the View of the Bay of the Somme and its seals, especially at high tide, where you can see France's largest colony of harbor seals. For birdwatching, the Bird Sanctuary in Parc naturel régional Baie de Somme Picardie Maritime allows you to observe swans, ducks, and coots breeding directly from the cycle path.
Yes, several areas are suitable for families. The On the Seagull Route passes by the Crotoy municipal marsh, offering rich biodiversity for observation. The Baie de Somme itself is a nature reserve with mud flats and salt marshes, providing an expansive natural playground. The Bird Sanctuary is also family-friendly for observing birds.
You can enjoy various outdoor activities. For cycling, consider routes like the 'Port of Le Crotoy – On the Seagull Route loop' or 'Parc du Marquenterre – Le Crotoy loop'. For running, there are trails such as the 'Moulin de Rue loop'. You can find more details on these and other routes in the MTB Trails around Bernay-En-Ponthieu, Gravel biking around Bernay-En-Ponthieu, and Running Trails around Bernay-En-Ponthieu guides.
The Maye Valley is characterized by its river and historically marshy wetlands. These areas, once extensively drained, now contribute to the region's ecological significance, providing diverse habitats for local flora and fauna. It's a key part of the hydrographic network that feeds into the Baie de Somme.
Yes, the On the Seagull Route is notable. It follows a quiet rural road and passes by the Crotoy municipal marsh, which is rich in biodiversity. Here you can spot storks, swans, ponies, Highland cows, and even the green tree frog.
The best time to visit depends on your interests. Spring and autumn are ideal for birdwatching due to migration. Summer offers pleasant weather for walking and cycling. For observing seals, check tide times as they are most visible at high tide.
The Baie de Somme holds historical significance. It's known as the place from which William the Conqueror set out from Saint-Valery-sur-Somme to conquer England. The area's wetlands were also historically marshy and underwent significant drainage in the 18th century, shaping the landscape you see today.
Visitors appreciate the constantly changing landscape due to the tides, offering a different view each day. The rich biodiversity, including seals and various bird species, is a major draw. The expansive mud flats and salt marshes provide a unique natural experience.
Yes, the region is known for its marshlands and wetlands. The Maye Valley features these areas, and the Crotoy municipal marsh, accessible via the On the Seagull Route, is a prime example. The Marais du Crotoy to La Bassée also highlights significant marsh areas within the Somme Bay nature reserve.
While specific dog-friendly trails around the immediate water bodies are not detailed, many natural areas and rural paths in the wider Baie de Somme region are suitable for walks with dogs, provided they are kept under control. Always check local regulations for nature reserves.
To best observe the harbor seals, visit the View of the Bay of the Somme and its seals at high tide. The seals are often visible from the port of Saint-Valery-sur-Somme. Remember to bring binoculars for a closer look and maintain a respectful distance to avoid disturbing the wildlife.


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