4.5
(75)
427
riders
20
rides
Mountain bike trails around Cayeux-Sur-Mer traverse a diverse coastal landscape situated between the Baie de Somme and the Marais du Hâble d'Ault. The terrain features a mix of dunes, marshes, and pine woods, offering varied surfaces for cycling. Coastal paths like the "Route Blanche" provide scenic, mostly gentle routes along the sea. The region's flat to gently undulating topography makes it accessible for various skill levels.
Last updated: July 9, 2026
4.5
(32)
148
riders
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
4.9
(7)
37
riders
35.0km
02:10
100m
100m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4.8
(6)
37
riders
50.9km
03:34
340m
340m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
18
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.5
(6)
22
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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A very beautiful place, even without seals.
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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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Unfortunately, it's not that easy to see the seals, which is a shame.
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Beautiful metal sculpture by https://dany.mellinger-art.com/section-19-sculptures
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Very beautiful houses, the colors are magnificent
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The current church, built in 1928 in the Romanesque-Byzantine style, is located in the oldest quarter of the city. It has a Latin cross plan, oriented northwest and southwest. The roof is slate, and the nave is covered with long sides and open gables. It features flamboyant stained-glass windows, a listed 17th-century altarpiece, and a Saint Martin's effigy.
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There are 19 mountain bike trails around Cayeux-sur-Mer listed on komoot, offering a range of options for different skill levels.
The terrain around Cayeux-sur-Mer is diverse, featuring coastal paths, dunes, marshes, and pine woods. You'll find varied surfaces, from the refreshing sea breeze of the 'Route Blanche' to routes exploring the tranquil Hâble d'Ault marshland. The topography is generally flat to gently undulating, making it accessible for various skill levels.
Yes, Cayeux-sur-Mer offers several easy mountain bike trails. For instance, the Eastern end of Falaises d'Albâtre, Ault coastal panorama – Ault Chalk Cliffs loop from Cayeux sur Mer-Brighton Plage is an easy 24.8 km route. Another accessible option is the Lighthouse far away from the beach – Le Hourdel Lighthouse loop from Cayeux sur Mer-Brighton Plage, which is 14.9 km long and offers minimal elevation gain.
The region is rich in natural beauty. You can ride with views of the stunning Baie de Somme, explore the bird-rich Hâble d'Ault marshland, or cycle along the scenic 'Route Blanche' through dunes. The dramatic Cliffs of Ault are also nearby, offering impressive coastal scenery.
Yes, many of the mountain bike routes around Cayeux-sur-Mer are circular. Examples include the Lighthouse far away from the beach – Saint Valery sur Somme loop from Cayeux-sur-Mer-Brighton-Plage, which offers views towards Saint-Valery-sur-Somme, and the Lighthouse far away from the beach – Somme Bay loop from Hurt, exploring the wider Somme Bay area.
The coastal location of Cayeux-sur-Mer makes it pleasant for mountain biking during much of the year. Spring and autumn offer mild temperatures and fewer crowds, while summer provides warmer weather and the chance to enjoy the seaside. The gentle terrain means trails are generally accessible outside of extreme weather conditions.
Absolutely. The region is a haven for wildlife. The Hâble d'Ault marshland is particularly known for its diverse birdlife, home to nearly 270 species of migratory birds. You might also spot grey and harbor seals lounging on sandbanks at low tide near the Pointe du Hourdel, especially if your route takes you close to the Baie de Somme.
The mountain bike routes in Cayeux-sur-Mer are highly rated by the komoot community, with an average score of 4.5 stars from over 70 reviews. Riders often praise the diverse coastal landscapes, the scenic views of the Baie de Somme, and the variety of trails that cater to different abilities, from easy coastal rides to more challenging loops through natural reserves.
Yes, several routes pass by notable landmarks. You can cycle towards the Le Hourdel Lighthouse, or enjoy views of the Port of Saint-Valery. The White Route of the Bay of Somme itself is a highlight, offering a car-free path through the dunes.
While specific public transport connections directly to all trailheads can vary, Cayeux-sur-Mer is a seaside resort. It's advisable to check local bus services or regional train connections to nearby towns like Saint-Valery-sur-Somme, from where cycling routes often connect. For detailed information on public transport options, it's best to consult local transport authority websites.
Yes, for experienced riders seeking a challenge, the The Hâble d'Ault Route – Belvedere loop from Cayeux-sur-Mer-Brighton-Plage is a difficult 37.6 km path. This route features more elevation gain and explores the unique terrain of the Hâble d'Ault marshland, providing a more demanding experience.


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