4.4
(490)
3,428
riders
31
rides
Touring cycling routes around Cayeux-sur-Mer are characterized by flat coastal terrain, pebble beaches, and the diverse natural landscapes of the Baie de Somme. The region features extensive cycling infrastructure, including sections of La Vélomaritime and dedicated car-free paths like the "Route Blanche." These routes traverse dunes, marshes, and offer views of the English Channel and the Somme estuary.
Last updated: May 10, 2026
4.5
(68)
366
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(12)
56
riders
58.7km
03:59
300m
300m
Cycle a moderate 36.4-mile loop from Le Hourdel to Mers-les-Bains, exploring Baie de Somme's coastal scenery and seal colonies.

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4.6
(179)
1,248
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.6
(48)
372
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.2
(11)
88
riders
15.3km
01:09
10m
10m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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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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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.
4
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From here you have a great view over the Bay of Somme.
6
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Great tour. 50km easy.
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Great swimming and surfing beach. Small town with lots going on.
1
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Touring cycling around Cayeux-sur-Mer is characterized by its largely flat coastal terrain, making it accessible for all fitness levels. You'll encounter diverse natural landscapes, including pebble beaches, dunes, and marshlands, particularly within the Baie de Somme area. The gentle elevation changes contribute to a pleasant and enjoyable cycling experience.
Yes, Cayeux-sur-Mer offers several family-friendly cycling options. The region's gentle terrain and dedicated paths, such as sections of La Vélomaritime and the car-free "Route Blanche," are ideal for families. A notable example is the 32km circuit around the Baie de Somme, which is largely flat and connects towns like Le Crotoy and Cayeux-sur-Mer.
While cycling around Cayeux-sur-Mer, you can explore a variety of natural features and landmarks. The area is part of the Baie de Somme, a Grand Site de France, offering marshes, dunes, and pebble stretches. You can also visit the Ault Chalk Cliffs, the wild Cape Hornu, and the La Cise Cliff. Don't miss the Pointe du Hourdel, a prime spot for observing grey and harbour seals at low tide, or the Hâble d'Ault, a significant bird sanctuary.
The best time for touring cycling in Cayeux-sur-Mer is generally outside peak season, when traffic is lighter, and the weather is pleasant. The healthy, oxygen-rich air makes for an enjoyable ride. While specific months aren't detailed, spring and autumn typically offer comfortable temperatures and fewer crowds, ideal for exploring the coastal paths and natural reserves.
Yes, there are several circular cycling routes around Cayeux-sur-Mer. For instance, the Saint-Valery-Sur-Somme via the pointe de Houdel — loop from Cayeux-sur-Mer is a moderate 36.4 km loop. Another option is the German bunker at Hourdel – Blockhaus du Hourdel loop from Cayeux sur Mer-Brighton Plage, an easy 14.5 km route.
The touring cycling routes around Cayeux-sur-Mer are highly rated by the komoot community, with an average score of 4.5 stars from over 500 reviews. Cyclists often praise the diverse natural landscapes, the extensive cycling infrastructure, and the opportunity to observe wildlife, such as seals, along the coastal paths. The gentle terrain and well-maintained routes also contribute to a positive experience.
Yes, La Vélomaritime (EuroVelo 4) passes directly through Cayeux-sur-Mer. This significant European cycling route connects the town to other coastal destinations like Le Hourdel, Saint-Valery-sur-Somme, and Le Crotoy. You'll find segregated cycle lanes on parts of this route, ensuring a safe and enjoyable journey. For more details, you can refer to France Vélo Tourisme or Tourisme Baie de Somme.
Absolutely. The "Route Blanche" is a former road now exclusively reserved for pedestrians and cyclists. It runs from the Pointe du Hourdel to La Mollière near Cayeux-sur-Mer, offering a car-free path through dunes. This route provides an excellent opportunity to observe local flora and fauna, including seal colonies. You can find more information on Tourisme Baie de Somme.
While the terrain is generally gentle, there are longer routes for those seeking a more extended ride. The Baie de Somme South Coast Loop is a moderate 58.7 km path, offering an extensive exploration of the coastline. Another option is the Kanal der Somme – Cycle path along the Canal Somme loop from Cayeux-sur-Mer-Brighton-Plage, which covers 61.9 km.
Cayeux-sur-Mer offers diverse coastal scenery. You'll cycle along vast pebble and shingle beaches, backed by Europe's longest wooden boardwalk lined with colorful beach cabins. Routes often provide views of the English Channel, the Somme estuary, the Brighton dunes, and the shingle spits of the Picardy coastline. Slightly further afield, you can also encounter the breathtaking cliffs near Ault and Mers-les-Bains.
There are over 40 touring cycling routes available around Cayeux-sur-Mer, catering to various preferences. These routes range from easy, shorter loops to longer, more moderate explorations of the Baie de Somme and its surroundings.
Yes, the Baie de Somme is a rich natural habitat, offering excellent opportunities for wildlife observation. While cycling, you might spot grey and harbour seals lounging on sandbanks at the Pointe du Hourdel during low tide. The Hâble d'Ault, a protected lagoon, is also a significant bird sanctuary where you can discreetly observe many migratory birds.


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