4.4
(26)
124
riders
8
rides
Gravel biking around Saint-Quentin-En-Tourmont offers diverse terrain within the Baie de Somme region, a designated "Grand Site de France." The area features a mix of coastal paths, extensive sand dunes, pine forests, wetlands, and marshes, particularly within the Parc du Marquenterre. These varied landscapes provide suitable conditions for gravel cycling, with generally modest elevation changes across the area. Trails often follow waterways and dikes, offering a range of surfaces for gravel bike enthusiasts.
Last updated: October 20, 2026
4.5
(12)
40
riders
43.0km
02:23
50m
50m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
6
riders
34.7km
02:04
120m
120m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.8
(6)
30
riders
40.6km
02:16
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
8
riders
34.4km
01:51
50m
50m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
6
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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It is wonderful to stroll here, to watch the people with the chalk cliffs in the background
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Very worthwhile canal, recommended!
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The port of La Madelon is a marina located on the Authie, near its mouth at the bottom of the Bay of Authie[1]; the location of the port, in the place called "La Madelon", is shared between the communes of Waben and Groffliers, in the department of Pas-de-Calais.
0
0
Very large equipped rest area with snack bar opposite
1
0
At least on the cobblestones, the mountain bike pays off :-)
0
0
Very quiet and peaceful road along the water.
0
0
There are over 20 gravel bike trails in the Saint-Quentin-En-Tourmont area, offering a variety of experiences within the Baie de Somme Regional Natural Park. These routes are highly rated by the komoot community, with an average score of 4.2 stars.
The terrain around Saint-Quentin-En-Tourmont is diverse, featuring coastal paths, extensive sand dunes, and pine forests. You'll also encounter wetlands and marshes, particularly within the Parc du Marquenterre. Routes often follow waterways and dikes, providing varied surfaces for gravel cyclists with generally modest elevation changes.
Yes, Saint-Quentin-En-Tourmont offers several easy gravel routes. For a moderate but accessible ride, consider the Cycle path along the Canal Somme – Kanal der Somme loop from Morlay, which is 34.7 km long and features modest elevation changes, making it suitable for those looking for a less strenuous ride.
Many trails offer stunning views of the Baie de Somme. You can find scenic viewpoints like the Panoramic view of Marquenterre Park. The Port of La Madelon – Seal Beach loop from Fort-Mahon-Plage is known for coastal landscapes and areas where you might observe seals. The region is rich in natural monuments, including Cape Hornu and Fort-Mahon-Plage Beach.
Yes, the Parc du Marquenterre is well-suited for gravel biking. It features a 6 km route specifically designed for exploration by gravel bike or MTB, allowing you to observe hundreds of migratory birds amidst dunes, pine forests, wetlands, and marshes. A great route that incorporates this area is the Parc du Marquenterre – Le Crotoy loop from Gare du Crotoy.
The Baie de Somme region is generally pleasant for gravel biking from spring through autumn. Spring and early summer offer vibrant nature and migratory birds, while autumn provides cooler temperatures and beautiful colors. Always check local weather conditions, especially for coastal areas, as they can be exposed to winds.
For a longer ride, consider the Le Crotoy – Cap Hourdel Lighthouse loop from Rue. This trail covers 68.3 km (42.5 miles) and explores extensive coastal areas, offering a substantial gravel biking experience.
Parking is generally available in and around Saint-Quentin-En-Tourmont and at popular starting points for trails within the Baie de Somme Regional Natural Park. For routes starting from towns like Le Crotoy or Fort-Mahon-Plage, you'll typically find designated parking areas. It's advisable to check specific route details for recommended parking spots.
While Saint-Quentin-En-Tourmont itself is a smaller commune, the broader Baie de Somme region has some public transport options, including train services to towns like Rue or Noyelles-sur-Mer, which are gateways to the area. From these points, you might need to cycle or arrange local transport to reach specific trailheads. Always check regional transport schedules and bike carriage policies in advance.
While general cycling on public paths in the Baie de Somme Regional Natural Park does not typically require a permit, specific areas like the Parc du Marquenterre may have entry fees or specific rules for cyclists, especially if you wish to access observation points or dedicated routes within the reserve. It's best to check the official Parc du Marquenterre website for the latest visitor information and any specific cycling regulations: Parc du Marquenterre.
The area is highly rated by the komoot community, with an average score of 4.2 stars from over 20 reviews. Reviewers often praise the diverse landscapes, the tranquility of the coastal paths and pine forests, and the unique experience of cycling through the wetlands of the Baie de Somme, especially the opportunities for birdwatching.
While many routes feature modest elevation, the longer trails, especially those covering extensive coastal sections, can offer a good challenge due to distance and varied surfaces. The Le Crotoy – Cap Hourdel Lighthouse loop from Rue, at over 68 km, provides a significant endurance test for experienced gravel bikers.


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