4.4
(737)
4,050
riders
344
rides
Mountain biking in Parc Naturel Régional Baie De Somme Picardie Maritime offers diverse terrain across coastal and inland environments. The region features expansive tidal flats, golden dunes, and pebble beaches along the English Channel. Further inland, riders encounter lush green prairies, marshes, and the significant Forest of Crécy. Limestone-rich hills known as Larris provide elevated viewpoints over the valleys.
Last updated: October 16, 2026
4.5
(47)
213
riders
48.0km
02:41
110m
110m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.5
(40)
188
riders
54.7km
02:54
110m
110m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.6
(28)
135
riders
67.2km
03:25
120m
120m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.6
(32)
170
riders
53.8km
02:43
100m
100m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.6
(17)
139
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Very worthwhile canal, recommended!
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At least on the cobblestones, the mountain bike pays off :-)
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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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A beautiful spot on earth, at the mouth of the summer.
5
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The church is built of natural stone with a characteristic pattern. It consists of two naves, separated by high arches. The baptismal chapel is still part of the original church. A church was first mentioned in the 12th century, but the current church dates back to the 13th century. The church was repeatedly destroyed during the Hundred Years' War and was set on fire in 1475, when the city defended itself against the English and Burgundian rulers. The church was rebuilt at the end of the 15th century and reconsecrated in 1500, but construction activities lasted until 1559. During the French Revolution, the furniture was sold, shrines and paintings were burned and bells were melted down. In 1845, a rectangular brick building was built next to the tower. Next to the church is the heavy tower, equipped with buttresses. In 1786, it was crowned with a tent roof.
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There are over 330 mountain bike trails in the Parc Naturel Régional Baie De Somme Picardie Maritime, catering to various skill levels. This includes more than 120 easy routes, over 200 moderate routes, and a few challenging options for experienced riders.
The region offers a diverse range of terrain. You'll find coastal paths along golden dunes and pebble beaches, expansive tidal flats, and salt meadows. Inland, trails traverse lush green prairies, marshes, and sections of the significant Forest of Crécy. Some routes also climb limestone-rich hills known as Larris, providing unique vegetation and panoramic views.
Yes, the region is very family-friendly, with over 120 easy mountain bike routes. The area boasts 160 km of cycling paths, including 77 km of dedicated cycle paths, making it suitable for all ages. Remember that helmets are mandatory for children for safety.
Many trails offer stunning views and access to natural attractions. You can spot France's largest colony of harbour seals in the bay, particularly from viewpoints like View of the Bay of the Somme and its seals. The Ault Chalk Cliffs and Cape Hornu offer dramatic coastal scenery. The Parc du Marquenterre is a world-class bird sanctuary, and the Forest of Crécy provides a tranquil forest experience.
Yes, many routes in the region are designed as loops, allowing you to start and finish at the same point. An example is the Promenade Alfred Manessier – Saint-Valery-sur-Somme loop from Gare du Crotoy, a moderate 36.7 km trail.
The Baie de Somme is beautiful throughout the year, with its dynamic landscape constantly reshaped by tides and light. Spring and autumn offer pleasant temperatures and vibrant scenery, making them ideal for exploring. The region's diverse ecosystems, including migratory birds at Parc du Marquenterre, provide unique experiences in different seasons.
Absolutely. Many routes connect or pass through picturesque towns. For instance, the Somme Bay – Saint-Valery-sur-Somme loop from Routhiauville offers views of the historic town of Saint-Valery-sur-Somme, known for its medieval charm. Other routes might take you near Le Crotoy or Cayeux-sur-Mer, offering opportunities to explore and enjoy local cuisine.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 600 reviews. Reviewers often praise the diverse coastal and inland landscapes, the well-maintained cycle paths, and the opportunities for wildlife spotting, especially the seals and birds.
While the majority of routes are moderate, there are longer options available. For example, the Parc du Marquenterre – Cycle track loop from Gare du Crotoy is a moderate 54.1 km path, and the Le Crotoy Beach – Le Crotoy loop from Fort-Mahon-Plage covers 51.5 km, offering extended rides through varied landscapes.
The region has some public transport options, and some routes, like the Parc du Marquenterre – Cycle track loop from Gare du Crotoy, start from Gare du Crotoy, indicating train access. For detailed information on public transport routes and schedules, it's advisable to check local transport websites or the official tourism site for the Baie de Somme: tourisme-baiedesomme.fr.
While the region is a natural park, specific rules regarding dogs on mountain bike trails can vary. Generally, dogs are often permitted on trails if kept on a leash, especially in protected areas like the Parc du Marquenterre. It's always best to check local signage or the park's official guidelines for the most current information to ensure a pleasant experience for everyone.


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