4.4
(101)
312
riders
96
rides
Mountain bike trails around Harly are primarily characterized by a network of paths through agricultural landscapes, alongside canals, and within local park areas. The terrain often features gentle rolling hills and varied surfaces suitable for off-road cycling. Routes frequently traverse open countryside and connect small towns and villages.
Last updated: May 18, 2026
4.6
(12)
30
riders
41.8km
02:48
220m
220m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.3
(4)
26
riders
49.4km
03:31
320m
320m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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5.0
(4)
18
riders
52.7km
03:55
480m
480m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
13
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.8
(4)
6
riders
32.8km
02:04
240m
240m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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An old path, abandoned for decades, redesigned as a downhill run with a smooth feel! Yes, I know, it's not the Alps! 😀🏞️ Watch out for any pedestrians...
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A very pleasant walk along the canal in Rieval and a war memorial. Motorhome area departure point
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This is where the Somme River rises. Its name is traced back to Celtic origins and also gives its name to the department of the same name. At the time when Gaul was part of the Roman Empire, the river was called the Samara. It ends its approximately 245-kilometer-long river life in the Baie de Somme, where it flows into the English Channel.
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Beautiful surroundings walking route and maritime museum
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Magnificent walk along the water, then visit the underground canal along the canal in a path between the trees with holes, bumps and bends (a real treat) to finish with a nice route in the Holnon woods. I recommend it. To do either as a walk or at speed, the choice is yours!
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A beautiful, tree-lined trail around the Saint-Quentin Canal. An easy, family-friendly route. Enjoy your walk.
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Voies Navigables de France operates the Tronquoy river tunnel (1,098 m) on the Saint-Quentin canal, which dates from the beginning of the 19th century.
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There are nearly 90 mountain bike trails available around Harly, offering a wide range of options for different skill levels and preferences.
Mountain bike trails around Harly are characterized by paths through agricultural landscapes, alongside canals, and within local park areas. You'll find gentle rolling hills and varied surfaces suitable for off-road cycling, often traversing open countryside and connecting small towns and villages.
Yes, Harly offers a good selection of trails suitable for beginners. Out of the nearly 90 routes, 32 are rated as easy, providing accessible options for those new to mountain biking or looking for a more relaxed ride.
Absolutely. For experienced riders seeking a challenge, there are 10 difficult mountain bike trails around Harly. These routes often feature more varied terrain and longer distances, such as the Riqueval Tunnel – Pont de Riqueval loop from Saint-Quentin, which covers 41.7 km with significant elevation changes.
The mountain biking routes in Harly are highly rated by the komoot community, with an average score of 4.6 stars from over 100 reviews. Riders often praise the varied terrain that includes canal-side paths, agricultural fields, and local parkland, offering a diverse and engaging experience.
Yes, many of the mountain bike routes in Harly are designed as loops. For example, the Isle Park – Vermand region loop from Saint-Quentin is a challenging 51.1 km circular path, and the Isle Park – Source of the Somme loop from Saint-Quentin is a moderate 52.7 km loop.
While mountain biking around Harly, you can encounter several interesting points. You might ride along the Bike path along the Oise or the Canal cycling route. For cultural sights, the Basilique Saint-Quentin and the Saint-Quentin war memorial are also nearby, offering historical context to your ride.
Yes, Isle Park is a prominent feature in several routes. You can explore the Isle Park – Vermand region loop from Saint-Quentin or the Isle Park – Source of the Somme loop from Saint-Quentin, both offering varied terrain through parkland.
The mountain bike routes in Harly vary in length, with many being substantial rides. For instance, the Vermand region – Vermand region loop from Saint-Quentin is 38.8 km, and the Bench by the Canal – Mountain Bike Trail loop from Saint-Quentin is 49.1 km, providing options for longer excursions.
Yes, canal-side paths are a defining characteristic of mountain biking in Harly. Many routes incorporate sections along canals, offering scenic and relatively flat riding. The Bench by the Canal – Mountain Bike Trail loop from Saint-Quentin is a great example of a route that features canal-side riding.
Over 400 mountain bikers have used komoot to explore Harly's varied terrain, indicating a popular and well-regarded destination for the sport.


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