4.3
(16)
109
riders
10
rides
Gravel biking around Oust-Marest offers diverse terrain in the Somme department of Hauts-de-France. The region features coastal paths near the Ault Chalk Cliffs and La Cise Cliff, providing mixed-surface riding with views of the English Channel. Inland, the Bresle Valley offers paths that lead through varied landscapes. Elevations in the area range from 7 meters to 113 meters, contributing to varied terrain for cyclists.
Last updated: May 22, 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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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.
3
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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 18 gravel bike trails around Oust-Marest. These routes offer a mix of moderate and challenging options, with 11 routes rated as moderate and 7 as difficult, catering to various skill levels.
The terrain around Oust-Marest is quite diverse. You can expect coastal paths near the dramatic Ault Chalk Cliffs and La Cise Cliff, offering mixed-surface riding with stunning views of the English Channel. Inland, the Bresle Valley features paths like the "Chemin des Etangs," which lead through varied landscapes, including greenways and cycle paths that often incorporate unpaved or gravel sections.
Yes, for experienced riders seeking a challenge, the Le Hourdel Lighthouse – Eastern end of Falaises d'Albâtre, Ault coastal panorama loop from Gare Haute is a difficult route spanning over 131 km with significant elevation changes. This route offers an extensive exploration of the coastal and inland landscapes.
Many routes offer breathtaking views, especially along the coast. You can enjoy panoramic vistas from the Ault Chalk Cliffs and La Cise Cliff. For a unique experience, consider stopping at the Le Tréport Funicular for elevated views of the town and sea.
Yes, many routes are designed as loops. For example, the Strada biancha Picarda – Cap Hourdel Lighthouse loop from Le Tréport - Mers-les-Bains is a popular moderate circular route that explores both coastal areas and the Picardy countryside. Another option is the Cliffs – Eastern end of Falaises d'Albâtre, Ault coastal panorama loop from Ault, offering stunning coastal panoramas.
The gravel biking routes around Oust-Marest are highly rated by the komoot community, with an average score of 4.2 stars from over 20 reviews. Riders often praise the diverse terrain, from dramatic coastal cliffs to tranquil river valleys, and the opportunity to explore charming towns like Mers-les-Bains with its distinctive Belle Époque houses.
While specific 'easy' gravel routes are not highlighted in the data, the region's greenways and cycle paths, particularly those in the Bresle Valley, often provide quieter, less challenging sections suitable for families. These paths may include compacted earth or smaller gravel sections, offering a pleasant ride away from heavy traffic.
Yes, the area features several natural water attractions. You might encounter highlights such as Marais de Gousseauville, Bouvaincourt-sur-Bresle Ponds, and Les Ballastières d'Incheville et Bouvaincourt. The Cycling Path Along the Bresle and Its Lakes is specifically designed to showcase these features.
The region offers enjoyable riding conditions throughout much of the year. Spring and autumn generally provide pleasant temperatures and beautiful scenery. Coastal routes can be windy, so checking local weather forecasts is always recommended. Summer is also popular, but be prepared for potentially warmer weather.
Yes, the Vélomaritime (EuroVelo 4) passes through the broader region and includes segments with a mix of asphalt and unpaved or dirt roads, making parts of it suitable for gravel bikes. These sections can offer scenic coastal views and varied terrain. For more detailed information on the Vélomaritime, you can visit France Vélo Tourisme.
While specific parking locations for each trailhead are not detailed here, towns like Le Tréport, Mers-les-Bains, and Ault, which serve as starting points for many routes, typically offer public parking facilities. For public transport, regional bus services connect these towns, and train stations in larger nearby cities can provide access to the area, though direct connections to trailheads might require planning.
Absolutely. Many gravel routes pass near or through charming towns. Mers-les-Bains is renowned for its distinctive Belle Époque houses and Art Nouveau architecture. Le Tréport offers a lively harbor and the funicular for panoramic views. These towns provide excellent opportunities for a break, a meal, or simply to soak in the local atmosphere.


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