4.3
(3656)
27,137
hikers
15
hikes
Dog friendly hiking trails in Parc Naturel Régional Baie De Somme Picardie Maritime traverse a diverse landscape shaped by the Baie de Somme estuary, which features mudflats, salt marshes, and sandbanks. The region also includes golden dunes, chalk cliffs, and the inland Forest of Crécy. This area is recognized for its varied natural features and viewpoints, offering a range of environments for outdoor activities.
Last updated: May 29, 2026
4.5
(31)
422
hikers
6.07km
01:34
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.8
(5)
81
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.7
(3)
20
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.1
(9)
39
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
3.0
(1)
27
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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It remains a strange feeling to come across traces so long after the war.
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The traces of the Second World War are still omnipresent, even after 80 years.
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At the crossroads of dunes, marshes, and pine forests, the Marquenterre Park is a 260-hectare natural sanctuary, in the heart of the Baie de Somme. 🕊Here, hundreds of species of migratory birds stop over — and you can observe them from thirteen observation huts spread along an immersive six-kilometer route (with shorter options). 🔎 Whether visiting freely or on a guided tour, passionate naturalist guides share their knowledge with you, each season. 📸 The park also offers themed walks, photo and ornithology workshops to deepen the experience. 🚲 Good to know for cyclists: - Easy access via cycle paths (Baie de Somme, Le Crotoy…) - On-site bike parking, catering, nature shop/bookstore - Binoculars recommended (available for rent on site) 👉 A must-see for lovers of wild nature and wide open spaces.
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Hourdel Lighthouse is a lighthouse on the common Cayeux-sur-Mer, it is built on the south side of the Bay of Somme, at the end of the point of Hourdel.
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Le Hourdel is a picturesque place with a view of the beautiful Baie de Somme, Le Crotoy and the sandbanks where the seals warmed themselves in the sun. At least at low tide.
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The bunker looks bizarre. Unfortunately it was high tide and no seals were to be seen
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There are 15 dog-friendly hiking trails available in the Parc Naturel Régional Baie De Somme Picardie Maritime, offering a variety of experiences for you and your canine companion.
The dog-friendly trails in Parc Naturel Régional Baie De Somme Picardie Maritime are predominantly easy to moderate. You'll find 9 easy routes, perfect for a relaxed stroll with your dog, and 6 moderate routes for a slightly more challenging adventure.
Yes, several easy and shorter routes are ideal for older dogs, puppies, or those new to hiking. For example, the Blockhaus du Hourdel – Le Hourdel Lighthouse loop from Le Hourdel is just under 3 km and features minimal elevation, offering a pleasant and accessible outing.
You can expect a diverse range of landscapes. Many trails traverse the unique estuary environment with its mudflats, salt marshes, and dunes. You'll also find routes along impressive chalk cliffs, such as those near Ault, and some may venture towards the emerald green countryside of the Forest of Crécy, offering varied scenery for you and your dog.
While the region is generally dog-friendly, it's crucial to keep your dog on a leash, especially in nature reserves like Marquenterre Park, and areas with sensitive wildlife such as the seal colonies near Pointe du Hourdel. Always respect local signage and ensure your dog does not disturb nesting birds or other animals. Picking up after your dog is mandatory.
Many dog-friendly routes offer views of notable landmarks. You might pass the Le Hourdel Lighthouse, or enjoy sections of the scenic White Route of the Bay of Somme. The dramatic Ault Chalk Cliffs are also accessible on certain trails, providing stunning coastal vistas.
Public transport options exist, though they might be limited depending on the specific trailhead. The heritage steam railway, Chemin de Fer de la Baie de Somme, connects several coastal towns and can be a charming way to access parts of the region. Always check specific route access and dog policies for public transport before planning your trip.
Spring and autumn are often ideal for hiking with dogs in Baie de Somme. The weather is generally milder, and the natural environment is vibrant. Summer can be pleasant, but be mindful of higher temperatures and potential crowds, especially in popular coastal areas. Winter offers a different, often quieter, experience, but be prepared for colder, potentially wet conditions.
Many towns and villages within the Parc Naturel Régional Baie De Somme Picardie Maritime, such as Le Hourdel, Saint-Valery-sur-Somme, and Le Crotoy, have establishments that welcome dogs, often on their outdoor terraces. It's always a good idea to check with the specific cafe or restaurant beforehand to confirm their dog policy.
Parking is generally available near popular trailheads and in the towns and villages throughout the region. Specific parking information is often detailed on individual route descriptions. For example, routes starting from Le Hourdel or Saint-Quentin-en-Tourmont typically have designated parking areas nearby.
The area is highly rated by the komoot community, with an average score of 4.35 stars. Reviewers often praise the diverse coastal scenery, the well-maintained paths, and the opportunity to explore unique natural habitats with their dogs. The sense of tranquility and the chance to spot local wildlife are also frequently highlighted.
Yes, many of the dog-friendly trails are designed as circular routes, allowing you to start and end at the same point without retracing your steps. Examples include the Hiking loop from Saint-Quentin-en-Tourmont and the Le Phare – Le Hourdel Lighthouse loop from Le Hourdel.

