4.4
(7)
30
riders
4
rides
Gravel biking around Grébault-Mesnil offers access to the diverse landscapes of the Baie de Somme - Picardie Maritime Regional Natural Park. The terrain features a mix of wetlands, marshes, rolling dunes, and woodlands, providing varied riding experiences. The Vimeu region, where Grébault-Mesnil is located, is characterized by rural landscapes with country roads, farm tracks, and unpaved paths, alongside gentle rolling topography. Riverside paths along the Canal de la Somme also provide smooth routes for gravel cyclists.
Last updated: July 4, 2026
4.5
(2)
5
riders
48.6km
02:55
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
12
riders
85.8km
05:01
480m
480m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.5
(2)
6
riders
55.3km
03:06
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
2
riders
19.8km
01:29
240m
240m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
69.0km
04:16
400m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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take a right and a nice little detour
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There are other routes nearby.
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The cliffs are made of chalk and are impressive to look at.
3
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Beautiful view over the Somme.
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The region around Grébault-Mesnil, situated within the Baie de Somme - Picardie Maritime Regional Natural Park, offers a diverse mix of terrain. You'll encounter wetlands, expansive marshes, rolling dunes, and charming woodlands. The Vimeu region also features rural landscapes with small country roads, farm tracks, and unpaved paths. Additionally, picturesque greenways and towpaths along the Canal de la Somme provide smoother, scenic routes.
Yes, the area offers routes for various ability levels. While some trails are more challenging, you can find easier options. For instance, the The bridge road – Canal de la Somme Picnic Area loop from Miannay is an easy 18.3 km route, perfect for a relaxed ride. The gentle rolling topography of the Vimeu plateau also makes many routes accessible for different fitness levels.
The Baie de Somme region is enjoyable for cycling throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery, especially with migratory birds in the Baie de Somme. Summer is also great, though it can be busier. Winter conditions might make some unpaved paths muddier, but the region's extensive cycling networks often include well-maintained sections.
Yes, many of the gravel routes around Grébault-Mesnil are designed as loops, allowing you to start and finish in the same location. For example, the popular The Somme canalised – View of Epagne castle loop from Fresnes-Tilloloy is a moderate 48.7 km circular trail. Another option is the Miannay Manor loop from Quesnoy-le-Montant, a shorter 19.8 km moderate route.
The region is rich in natural beauty and historical sites. Along your rides, you might encounter views of the Somme canal, and the wider Baie de Somme is known for its exceptional biodiversity, including seal colonies at the Pointe du Hourdel and migratory birds. You can also explore charming towns like Abbeville and Saint-Valery-sur-Somme. For specific historical sites, consider visiting Rambures Castle or Château de Bouillancourt-en-Sery, which are part of the local heritage.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 5 reviews. Reviewers often praise the diverse terrain, which transitions from compacted earth to unpaved paths, and the scenic views along the Canal de la Somme. The variety of routes, from easy to difficult, also contributes to its appeal for different skill levels.
Yes, for those seeking a longer adventure, the region offers extensive options. The Cycle path along the Canal Somme – Kanal der Somme loop from Valines is a challenging 87.0 km route that follows the Canal Somme, providing a significant long-distance cycling experience. The Vélomaritime (EuroVelo 4) also passes through the Baie de Somme, offering further opportunities for extended gravel touring.
Absolutely. Grébault-Mesnil's proximity to the Baie de Somme means you can easily integrate nature observation into your rides. The Baie de Somme is a renowned natural reserve where cyclists can observe seals basking on sandbanks and a multitude of migratory birds. Sites like the Réserve naturelle de la Baie de Somme and Parc du Marquenterre are within reach for dedicated nature stops.
While Grébault-Mesnil is a small commune, many of the routes start from nearby villages and towns which typically offer public parking facilities. For routes along the Canal de la Somme, you can often find parking near access points or in the charming towns like Abbeville or Saint-Valery-sur-Somme, which serve as excellent starting points for rides and provide amenities.
Generally, no specific permits are required for cycling on public paths and designated cycling routes in the Somme region. However, always respect local signage, especially within protected areas like the Baie de Somme - Picardie Maritime Regional Natural Park, and stick to marked trails to preserve the natural environment.
The Vimeu region, where Grébault-Mesnil is located, is characterized by a gentle rolling topography. Altitudes around Grébault-Mesnil typically range from 93m to 113m. While some routes, like the 87.0 km Cycle path along the Canal Somme – Kanal der Somme loop from Valines, can accumulate around 495 meters of elevation gain, many routes offer more moderate climbs, making them accessible for various fitness levels.


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