4.3
(2614)
16,483
riders
261
rides
Touring cycling routes around Réserve naturelle de la baie de Somme traverse a diverse landscape characterized by an extensive network of cycle paths, coastal environments, and the largest estuary in northern France. The terrain is generally gentle and largely flat, making it suitable for various fitness levels. This region features a blend of sand and mud flats, golden dunes, pebbles, prairies, marshes, reed beds, and woodlands.
Last updated: July 9, 2026
4.7
(43)
345
riders
11.8km
00:42
10m
10m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.4
(14)
85
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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4.5
(39)
177
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
18
riders
134km
07:47
430m
430m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.2
(6)
16
riders
31.9km
02:22
30m
30m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Réserve naturelle de la baie de Somme
The scenery is very beautiful, with lots of birds, cows, horses, and sheep. The road is made of pebbles and quite strenuous to ride.
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Great nature away from the hustle and bustle of the coast.
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The traces of the Second World War are still omnipresent, even after 80 years.
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Magnificent building with a breathtaking view of the bay!!
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The port of Le Crotoy. Here you can find the best fish in the area. At the "Les Fils de la Mer" stall. But only on weekends: Friday to Sunday and on some holidays.
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... and once again, it is the best bakery in Le Crotoy where this tour ends...
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The terrain in the Réserve naturelle de la baie de Somme is generally gentle and largely flat, making it suitable for various fitness levels. You'll find a diverse landscape including sand and mud flats, golden dunes, pebbles, prairies, marshes, reed beds, and woodlands. This makes it ideal for relaxed touring cycling.
Yes, the Baie de Somme is very family-friendly for cycling. The generally flat terrain and extensive network of dedicated cycle paths, such as the 32km 'Tour de la Baie' between Le Crotoy and Cayeux-sur-Mer, are perfect for family outings. Many routes are rated as easy, providing a safe and enjoyable experience for all ages.
Absolutely. Many of the touring cycling routes in the Baie de Somme are designed as loops, allowing you to start and end at the same point. For example, the Le Crotoy – On the Seagull Route loop from Pointe à Guille is an easy 18.7 km circular path offering coastal views.
There are over 10 touring cycling routes available in the Réserve naturelle de la baie de Somme listed on komoot, with a total of 13 routes. The region itself boasts 160 km of cycling routes, including 77 km of dedicated cycle paths and nine waymarked routes, ensuring plenty of options for exploration.
While cycling, you can experience the largest estuary in northern France with its vast sand and mud expanses. The area is rich in biodiversity, featuring golden dunes, cliffs, prairies, marshes, and woodlands. It's a crucial stopover for hundreds of species of migratory birds, and you might even spot France's largest colony of harbor seals, particularly near Le Hourdel or Cap Hornu.
Yes, several attractions enhance the cycling experience. You can visit the renowned Marquenterre Park, a bird sanctuary, or enjoy the Panoramic view of Marquenterre Park. The Marquenterre Park Observatory is also a great spot for birdwatching. Additionally, picturesque towns like Saint-Valery-sur-Somme and Le Crotoy offer charming stops.
Parking is generally available in the towns and villages surrounding the Baie de Somme, such as Saint-Valery-sur-Somme, Le Crotoy, and Cayeux-sur-Mer. Many routes, like the On the Seagull Route – Promenade Alfred Manessier loop from Parc du Marquenterre, often have designated parking areas near their starting points, such as at Parc du Marquenterre.
Yes, public transport options exist to access the Baie de Somme. The heritage steam railway, Chemin de Fer de la Baie de Somme, connects coastal towns and can be a unique way to reach different starting points for your cycling adventures. Local bus services also operate within the region, though checking specific routes and bike carriage policies in advance is advisable.
The Baie de Somme is enjoyable for touring cycling from spring through autumn. Spring offers blooming flora and active migratory birds, while summer provides warmer weather for coastal rides. Autumn brings beautiful colors and fewer crowds. Always check local weather forecasts before heading out, as coastal conditions can change.
Yes, bike rental is readily available in the Baie de Somme, particularly in popular towns like Le Crotoy, Saint-Valery-sur-Somme, and Cayeux-sur-Mer. This makes it convenient for visitors who don't bring their own bikes to explore the extensive network of cycle paths.
The touring cycling routes in Réserve naturelle de la baie de Somme are highly rated by the komoot community, with an average score of 4.3 stars from over 1400 reviews. Cyclists often praise the well-maintained cycle paths, the stunning estuarine environment, and the opportunities for wildlife spotting, particularly the seals and diverse birdlife.
The Baie de Somme is an excellent destination for beginner touring cyclists due to its largely flat and gentle terrain. An easy option is the Le Crotoy – On the Seagull Route loop from Saint-Quentin-en-Tourmont, which is 20.9 km long and offers pleasant coastal scenery without significant climbs.


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