4.1
(93)
2,540
riders
47
rides
No traffic road cycling routes around Cayeux-Sur-Mer are characterized by generally flat terrain and paved surfaces, making them accessible for various skill levels. The region is situated at the southern edge of the Baie de Somme, featuring extensive coastal paths, natural dunes, and marshlands. These routes often provide views of the sea and the unique natural environment of the bay. The landscape offers a mix of open coastal stretches and paths through natural reserves.
Last updated: May 24, 2026
5.0
(2)
94
riders
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
32
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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26
riders
26.2km
01:09
40m
40m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
27
riders
11.7km
00:27
10m
10m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
38
riders
14.6km
00:48
30m
30m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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A very beautiful place, even without seals.
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Unfortunately, it's not that easy to see the seals, which is a shame.
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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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Go and have a look at low tide, when the oxen and horses are close by
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There are nearly 50 dedicated traffic-free road cycling routes available around Cayeux-sur-Mer. These routes are designed to offer a peaceful and safe cycling experience, away from vehicle traffic.
Cayeux-sur-Mer is renowned for its generally flat terrain and numerous paved surfaces, making it highly accessible for traffic-free road cycling. Key features include the Route Blanche, a car-free path winding through dunes with sea views, and its integration into the Vélomaritime / EuroVelo 4, which provides segregated cycle lanes connecting to neighboring towns.
Yes, many of the traffic-free routes in Cayeux-sur-Mer are ideal for beginners and families. The terrain is generally gentle and flat with few steep hills, ensuring an enjoyable experience for all skill levels. For example, the Le Crotoy – Le Crotoy loop from Le Crotoy is an easy option, covering about 10 km with minimal elevation gain.
You can expect diverse scenery, from coastal views to natural reserves. Highlights include the expansive Baie de Somme, the iconic pebble beach with its wooden boardwalk and colorful beach cabins, and the Le Hourdel Lighthouse. The Route Blanche offers unique views through dunes, while the Hâble d'Ault provides a natural reserve experience.
Absolutely! The region is rich in wildlife. The Pointe du Hourdel is a prime location for seal watching, where both grey and harbor seals can often be observed on sandbanks at low tide. The Hâble d'Ault natural reserve is also a haven for birdwatching, lying on the migratory path of thousands of birds.
Yes, there are several circular routes designed for traffic-free road cycling. An example is the L'Avocette – Le Crotoy loop from Gare du Crotoy, which offers a moderate challenge over nearly 50 km, allowing you to return to your starting point without retracing your steps.
Yes, a unique option for combining cycling with heritage exploration is to board the historic Chemin de fer de la Baie de Somme steam train with your bike for certain sections of the Vélomaritime / EuroVelo 4 route. This allows for varied and extended rides.
The spring, summer, and early autumn months generally offer the most pleasant weather for cycling in Cayeux-sur-Mer. During these seasons, you can enjoy milder temperatures and longer daylight hours, perfect for exploring the coastal paths and natural reserves.
The area is highly rated by the komoot community, with an average score of 3.6 stars. Reviewers often praise the serene coastal environment, the accessibility of the flat, traffic-free routes, and the stunning natural beauty of the Baie de Somme, especially the unique experience of cycling along the Route Blanche.
Yes, if you're looking for an easy and shorter ride, the German bunker at Hourdel – Strada biancha Picarda loop from Le Hourdel is an excellent choice. This route is just over 11 km long with minimal elevation, perfect for a relaxed outing.
Parking is generally available in and around Cayeux-sur-Mer and at various starting points for routes, such as near the Gare du Crotoy or Le Hourdel. It's advisable to check local signage for specific parking regulations and availability, especially during peak season.


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