4.6
(89)
597
riders
52
rides
Gravel biking around Boulogne-Sur-Mer offers diverse terrain along France's Opal Coast. The region features a mix of coastal paths, expansive forests, and dramatic clifftop views, providing varied surfaces for exploration. Riders can navigate dirt roads, gravel paths, and some paved sections, encountering landscapes from the Dunes de la Slack to the Forest of Boulogne. This area is characterized by its coastal environment, including the notable Cap Blanc-Nez and Cap Gris-Nez, which offer significant elevation changes and panoramic vistas.
Last updated: May 5, 2026
4.8
(16)
130
riders
53.2km
03:43
660m
660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
14
riders
39.6km
02:36
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.4
(7)
28
riders
25.8km
01:33
250m
250m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
12
riders
39.9km
02:36
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
7
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(4)
12
riders
44.7km
02:49
510m
510m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4.7
(15)
70
riders
40.6km
02:16
400m
400m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
20.1km
01:43
320m
320m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
12.4km
00:48
90m
90m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
6
riders
88.7km
05:45
1,050m
1,050m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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Very beautiful viewpoint, well worth seeing.
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0
Discover a rugged, rocky coastal landscape full of character along the Opal Coast. At low tide, the beach reveals mossy rock formations and tranquil tidal pools—a paradise. The charming fishing village with its traditional flobart boats and seafood restaurants takes you back in time.
1
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beautiful walk with departure and arrival at the fort of Ambleteuse. At low tide you can wade through the river at the height of the fort.
1
0
tough climb to the top of the "mountain"
1
0
There are over 80 gravel bike trails around Boulogne-Sur-Mer, offering a wide range of options for different skill levels and preferences. The komoot community has explored these routes extensively, with over 800 gravel bikers using komoot in the area.
The terrain around Boulogne-Sur-Mer is incredibly diverse. You'll encounter a mix of coastal paths with sea views, expansive forests like the Forest of Boulogne, dramatic clifftop sections around Cap Blanc-Nez and Cap Gris-Nez, and dedicated cycle facilities through natural dune systems such as the Dunes de la Slack. Routes combine paved sections, dirt roads, and gravel paths, ensuring a varied and engaging ride.
Yes, there are several routes suitable for beginners. While many routes are moderate to difficult, you can find easier options to get started. For example, the area offers 5 easy routes, perfect for those new to gravel biking or looking for a more relaxed ride.
Absolutely. For experienced riders seeking a challenge, Boulogne-Sur-Mer offers 18 difficult gravel routes. These often feature significant elevation gains and more technical sections. A notable challenging route is Fort d'Ambleteuse – View of Wissant Bay loop from Audinghen, which covers 55.9 km with over 700 meters of elevation gain.
Many of the gravel bike routes around Boulogne-Sur-Mer are designed as loops, allowing you to start and finish at the same point. Examples include the popular View of the Opal Coast – View of Cap Blanc-Nez loop from Wissant and the Deux Caps Cycle Path – Gris-Nez Beach loop from Wissant.
You'll find breathtaking natural landmarks and viewpoints. Many routes offer stunning views of the Opal Coast, including the dramatic cliffs of Cap Blanc-Nez and Cap Gris-Nez, where you can even glimpse the English coast on a clear day. The Forest of Boulogne provides immersive woodland scenery, and the Dunes de la Slack offers unique coastal dune landscapes. You might also encounter highlights like View of Wissant Bay.
Yes, the region is rich in history. Some gravel routes pass near or offer access to historical sites. For instance, you could explore areas around Fort d'Ambleteuse, a significant historical fort. Other nearby castles include Hardelot Castle and the Boulogne-sur-Mer Castle and Museum.
While specific 'family-friendly' designations can vary, the easier routes in the area are generally suitable for families with children who are comfortable on bikes. Look for routes with less elevation gain and smoother surfaces. The diverse landscape means you can often find paths within forests or along quieter coastal sections that are enjoyable for all ages.
The best season for gravel biking is typically spring through autumn, when the weather is milder and more predictable. Summer offers longer daylight hours and warmer temperatures, ideal for coastal rides. However, the region's clay-rich soil means some forest paths might be muddy after rain, so checking local conditions is always advisable, especially in wetter seasons.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 120 reviews. Reviewers often praise the diverse landscapes, from stunning coastal views to tranquil forest paths, and the variety of terrain that keeps rides interesting. The dramatic clifftop sections and the blend of natural beauty with historical sites are frequently highlighted.
Boulogne-Sur-Mer has a regional public transport network. While specific services for bikes can vary, trains and some regional buses often accommodate bicycles, especially outside of peak hours. It's recommended to check with local transport providers for their current policies on carrying bikes to plan your journey to various trailheads effectively.
Parking is generally available at or near popular starting points for many routes. For example, areas around Cap Blanc-Nez and Cap Gris-Nez, as well as towns like Wissant and Audinghen, typically have designated parking areas. For specific routes, checking the komoot tour details will often provide information on suitable parking locations.


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