4.3
(635)
3,677
riders
143
rides
No traffic touring cycling routes around Mers-Les-Bains offer a diverse landscape characterized by dramatic chalk-white cliffs along the Côte d'Albâtre and a pebbled coastline that reveals sand at low tide. The region is situated at the mouth of the Bresle river and borders the Baie de Somme, providing varied natural environments. Cyclists can explore coastal paths, wooded areas like the Bois de Cise, and charming towns featuring Belle Époque and Art Nouveau architecture.
Last updated: May 24, 2026
4.4
(35)
181
riders
50.6km
03:11
480m
480m
This difficult 31.4-mile touring cycling loop from Le Tréport offers spectacular views of the white chalk cliffs along France's Côte d'Albât
4.0
(40)
101
riders
24.2km
01:36
210m
210m
Cycle a moderate 15.0-mile loop from Mers-les-Bains to the dramatic Cliffs of Ault, enjoying Belle Époque architecture and coastal views.

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4.8
(10)
41
riders
38.7km
02:29
380m
380m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(55)
321
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(25)
150
riders
117km
07:19
860m
860m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Mers-Les-Bains
The cliffs are made of chalk and are impressive to look at.
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Here in Ault begin the chalk cliffs, which stretch all the way to Normandy and repeatedly appear as enormous cliffs.
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superb quayside day and night
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The cliffs around the beach of Ault are composed of chalk from the Upper Cretaceous, more precisely from the Turonian and Coniacian (around 83 million years ago to 90 million years ago). They are strewn with flint nodules which highlight the subhorizontal stratification planes (the formation of flint has already been discussed in Discovery of the geology of the cliffs of Étretat, presentation of an excursion from the beach of Tilleul (Antifer) to the Porte d'Amont (Étretat Nord)). The relative proportion of chalk and flint is around 90-95% chalk to 5-10% flint. Flint horizons are stratigraphic markers. On the cliffs of Ault, the regular flint band called Seven Sisters is recognizable and characterizes the boundary between the Middle Coniacian and the Upper Coniacian (around 87 million years ago). The boundary between the lower and middle Coniacian is marked by the Shoreham 2 marl level, which is more difficult to identify. These lithostratigraphic markings allow in particular the correlation of distant deposits, such as between the Normandy and Picardy coasts, or between the French and English coasts.
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The cliffs around the beach of Ault are composed of chalk from the Upper Cretaceous, more precisely from the Turonian and Coniacian (around 83 million years ago to 90 million years ago). They are strewn with flint nodules which highlight the subhorizontal stratification planes (the formation of flint has already been discussed in Discovery of the geology of the cliffs of Étretat, presentation of an excursion from the beach of Tilleul (Antifer) to the Porte d'Amont (Étretat Nord)). The relative proportion of chalk and flint is around 90-95% chalk to 5-10% flint. Flint horizons are stratigraphic markers. On the cliffs of Ault, the regular flint band called Seven Sisters is recognizable and characterizes the boundary between the Middle Coniacian and the Upper Coniacian (around 87 million years ago). The boundary between the lower and middle Coniacian is marked by the Shoreham 2 marl level, which is more difficult to identify. These lithostratigraphic markings allow in particular the correlation of distant deposits, such as between the Normandy and Picardy coasts, or between the French and English coasts.
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Ault is a beautiful place. Beautifully laid out paths above and below the impressive cliffs. The town center is perfect for relaxing. There are a few cafes and bistros for when you get a little hungry. There are benches everywhere where you can sit and enjoy a few minutes of peace and the wonderful views.
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There are over 140 no-traffic touring cycling routes around Mers-les-Bains, offering a wide variety of options for different skill levels and preferences. The komoot community has mapped out many routes, ensuring you can find a suitable adventure.
The Picardy coast, including Mers-les-Bains, is particularly pleasant for cycling from spring through early autumn. During these seasons, the weather is generally mild, and the natural beauty of the chalk cliffs and coastal landscapes is at its peak. Summer offers longer daylight hours, ideal for extended tours.
The terrain around Mers-les-Bains is quite varied. You'll find routes that follow the dramatic coastal cliffs, offering stunning views of the English Channel, as well as paths that wind through charming villages and wooded areas like the Bois de Cise. While many routes are paved and suitable for all skill levels, some may include unpaved or more challenging segments, especially those venturing closer to the cliffs. For example, the Seaside Cycle Route: Cliffs of Criel Loop features significant elevation changes.
Yes, Mers-les-Bains offers several easy no-traffic touring routes perfect for beginners or families. These routes often stick to flatter sections or well-maintained paths, allowing for a relaxed cycling experience. While specific family-friendly routes aren't detailed here, you can filter for 'easy' routes on komoot to find suitable options among the 47 easy tours available.
The region is rich in natural beauty. You can cycle past the impressive Ault Chalk Cliffs, which are part of France's Côte d'Albâtre, offering breathtaking panoramic views. The La Cise Cliff and the nearby Bois de Cise wooded area are also accessible via scenic paths. Many routes provide opportunities to enjoy the diverse landscapes, from rugged coastlines to tranquil river mouths.
Mers-les-Bains is renowned for its well-preserved Belle Époque and Art Nouveau architecture. Cycling along the seafront promenade allows you to admire the colorful and intricately designed Belle Époque houses of Mers-les-Bains. You can also discover landmarks such as the Saint Martin's Church. The nearby town of Eu also boasts historical sites, which can be incorporated into longer tours like The cliffs of Criel by the château d'Eu — loop from Eu.
Yes, Mers-les-Bains is situated along the Vélomaritime® (EuroVelo4), a major long-distance cycling route. While not entirely traffic-free, many segments of this route are designed for cyclists, offering a scenic way to connect to other coastal areas. You can find sections that are quiet and suitable for touring, allowing for longer, multi-day adventures.
The touring cycling routes around Mers-les-Bains are highly regarded by the komoot community, with an average rating of 4.39 out of 5 stars from over 850 reviews. Cyclists often praise the stunning coastal views, the unique Belle Époque architecture, and the peaceful, car-free sections that allow for an immersive experience of the region's natural beauty.
Yes, many of the no-traffic touring routes around Mers-les-Bains are designed as loops, allowing you to start and end your ride in the same location. Examples include the challenging Seaside Cycle Route: Cliffs of Criel Loop and the moderate Cliffs of Ault and Bois de Cise Loop. These circular routes are convenient for day trips and exploring different facets of the landscape.
Mers-les-Bains is connected by regional train services (TER). Generally, TER trains in the Picardy region allow bikes, often free of charge, though specific conditions and peak hour restrictions may apply. It's advisable to check the latest TER regulations for the Picardy coast before planning your journey, especially if you intend to use trains to access different starting points for your no-traffic tours.
For experienced cyclists seeking a challenge, routes like the Cliffs – View over the cliffs loop from Le Tréport - Mers-les-Bains offer significant distances and elevation gains. This route, spanning over 114 km with substantial climbing, provides a demanding yet rewarding experience with extensive coastal views. The region has 28 difficult routes in total, ensuring options for advanced riders.


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