4.6
(20)
139
riders
10
rides
No traffic gravel bike trails around Oust-Marest offer access to the diverse landscapes of the Somme department, characterized by its proximity to the Bay of Somme. The region features coastal trails, dikes, and towpaths, alongside dramatic chalk cliffs and unique lagoon areas. Gravel bikers can explore varied terrain including tidal marshes, sand dunes, and salty meadows, providing a mix of flat and undulating routes. The area's network of greenways and quiet country lanes ensures a focus on car-free cycling experiences.
…Last updated: May 24, 2026
4.4
(8)
54
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(4)
25
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.5
(2)
21
riders
32.9km
02:02
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.5
(2)
5
riders
35.6km
02:27
260m
260m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Oust-Marest
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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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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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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Beautiful coast and magnificent viewpoint.
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very beautiful sea view
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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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There are several dedicated no-traffic gravel bike trails around Oust-Marest, offering a variety of experiences. This guide features 8 routes, ranging from moderate to difficult, ensuring options for different skill levels.
The no-traffic gravel trails around Oust-Marest offer a diverse range of terrain. You'll encounter coastal trails, dikes, and towpaths, especially near the Bay of Somme. The region is known for its blend of natural habitats, including tidal marshes, sand dunes, and salty meadows, providing varied surfaces suitable for gravel biking. Some routes, like the Ault Chalk Cliffs loop from Woignarue, also feature significant elevation changes.
While many routes in this guide are moderate to difficult, the broader region offers options suitable for families. The 'Gravelot' Circuit, south of the Bay of Somme, is described as 'very easy' and utilizes cycle paths, small roads, and country lanes, making it a good choice for a relaxed family outing away from traffic. Always check the route details for specific difficulty and terrain before heading out.
The no-traffic gravel trails around Oust-Marest are rich in natural beauty and interesting landmarks. You can explore the dramatic Ault Chalk Cliffs, which offer stunning coastal views. The region is also close to the Bay of Somme, a designated 'Grand Site de France' known for its diverse natural habitat. Additionally, you might pass by charming coastal towns like Mers-les-Bains, famous for its Belle Époque houses, or the Le Tréport Funicular.
The Hauts-de-France region, including Oust-Marest, is generally pleasant for cycling from spring through autumn. Spring brings blooming landscapes, while autumn offers beautiful foliage. Summer is popular, but coastal areas can be busy. Always check local weather forecasts, especially for coastal winds, to ensure a comfortable ride on the no-traffic trails.
Yes, the region is home to sections of the Vélomaritime (EuroVelo 4), a major European cycle route that passes through the Bay of Somme. It offers 160 km of cycling opportunities, with 77 km on dedicated cycle paths and 'stabilized paths' that are well-suited for gravel bikes, providing excellent options for longer, traffic-free rides.
Several routes in this guide are circular, allowing you to start and end in the same location without retracing your steps. For example, the Eastern end of Falaises d'Albâtre, Ault coastal panorama loop from Ault offers a scenic circular experience. The 'Gravelot' Circuit, mentioned earlier, is also a marked circular loop designed for varied landscapes.
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the stunning coastal scenery, the quiet and varied terrain, and the opportunity to explore natural habitats like the Bay of Somme away from vehicle traffic.
Absolutely. For experienced riders seeking a challenge, routes like the Eastern end of Falaises d'Albâtre, Ault coastal panorama – Ault Chalk Cliffs loop from Le Tréport – Mers-les-Bains are classified as 'difficult' and feature significant elevation gains over longer distances, providing a rewarding experience on traffic-free paths.
Oust-Marest has a train station, which can be a starting point for your cycling adventures. Many towns along the coast, such as Le Tréport and Eu, are also accessible by public transport, making it possible to reach various trailheads without a car. It's advisable to check specific train or bus services for bike carriage policies before planning your trip.
The broader Hauts-de-France region is known for its greenways and canal paths, which are ideal for traffic-free gravel biking. While specific 'Voie Verte' names directly adjacent to Oust-Marest aren't highlighted, the Vélomaritime route includes dedicated cycle paths and 'stabilized paths' that function as greenways, offering smooth, car-free riding experiences through diverse landscapes.


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