3.0
(1)
7
riders
4
rides
Gravel biking around Harly is characterized by its network of routes along historic canals and rivers, such as the Sambre-Oise Canal and the Somme. The terrain typically features gentle gradients, making it accessible for various skill levels. This region offers a blend of natural waterways and rural landscapes, ideal for extended gravel rides. The area's topography includes low-lying river valleys and agricultural plains, providing a consistent surface for gravel cycling.
Last updated: May 11, 2026
3
riders
41.9km
02:29
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
1
riders
28.7km
01:38
220m
220m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
28.1km
01:49
170m
170m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
15.2km
00:51
130m
130m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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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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Completely constructed in white and black stone, the Basilica of Saint-Quentin is the second Gothic building in Picardy. Built between the end of the 12th and the end of the 15th centuries, it is best known as the burial place of the martyr Quentin, who gave it its name. Listed as a historical monument, the building boasts original architecture, with a porch tower over 34 meters high, a double transept, and a concentric choir. Inside, visitors are captivated by the ancient 260-meter-long labyrinth carved into the nave's paving. Stained glass windows installed at various times complement the artistic offerings of the Basilica of Saint-Quentin, particularly medieval stained glass windows in the 12th-century apse chapels. These depict episodes from the lives of the Virgin Mary and Saint Stephen.
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Beautiful surroundings walking route and maritime museum
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As a memorial to the many dead, such a "MONUMENT AUX MORTS" (usually called a "Central Memorial" or "War Memorial" in German-speaking countries) is still very important today. "Now, Lord, you let your servant depart in peace, as you have said..." it says in the so-called "Hymn of Simeon" (Luke's Gospel, Chapter 2, Verse 29). However, the people who are remembered here did not depart in peace, but became victims of war and tyranny. Therefore, the term "fallen memorial" is now sometimes used instead of the "war memorial" that was previously common in German. In the French-speaking world, however, this aspect of commemoration of the dead has long been included in the most commonly used term "MONUMENT AUX MORTS". Regardless of language and nation, such a memorial has two important and at the same time everlasting tasks: -1- to keep the memory of the suffering and horror of war alive, -2- and to remind people of the need to maintain peace in the long term.
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Parc de l'Isle in Saint-Quentin offers a variety of trails for different levels of difficulty, from flat, easy trails along the Somme to hilly, wooded routes in the nature reserve. You can also admire the flora and fauna of the park, which houses a free zoo, a farm and a conservation center. The park is open all year round, from 8 a.m. to 8 p.m. in summer and from 8 a.m. to 6 p.m. in winter. Whether you are a beginner or an expert, you will find at Parc d'Isle something to satisfy your tastes and your pace.
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The Saint-Quentin war memorial is a unique memorial dedicated to the city's soldiers who fell in combat during different wars. The monument is located near the train station and features a large granite wall with three bas-reliefs depicting scenes from 1557, 1870 and 1914-19181. You can admire the work of architect Paul Bigot and sculptors Henri Bouchard and Paul Landowski, who created this impressive structure in 1927. The monument is also a tribute to the resilience of the residents of Saint-Quentin, who endured the destruction and exodus caused by conflicts.
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The track runs along the Oise all the way, first in town, then between the fields and the barges. On arrival at the Croix Saint Ouen, you have to drive through the village and on small roads to catch up with the cycle paths inside the forest. It is best to start south of Compiègne in the ZAC de Mercières, near the swimming pool and the ice rink. The place is easy to spot. The walk is very nice and runs along the Oise. You always have to stay on your side.
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Gravel biking around Harly is characterized by routes along historic canals and rivers, such as the Sambre-Oise Canal and the Somme. The terrain typically features gentle gradients, low-lying river valleys, and agricultural plains, providing a consistent surface for gravel cycling.
There are 5 gravel bike trails documented around Harly, offering a variety of experiences for different skill levels.
Yes, Harly offers several easy gravel bike trails. For instance, the Parc d'Isle – Le Touage de Saint Quentin loop from Saint-Quentin is an easy 27.1 km route. Another accessible option is the Canal Bridge loop from Saint-Quentin, which is 15.2 km long.
For those looking for a moderate challenge, the Riqueval Tunnel – Riqueval Towing System loop from Francilly-Selency is a popular choice, spanning 41.9 km. Another great moderate route is the Sambre-Oise Canal – Berthénicourt lock loop from Le Thiolet, covering 28.1 km along the scenic canal.
Yes, many of the gravel bike trails in Harly are circular. Examples include the Riqueval Tunnel – Riqueval Towing System loop from Francilly-Selency, the Sambre-Oise Canal – Berthénicourt lock loop from Le Thiolet, and the Source of the Somme – Source of the Somme loop from Saint-Quentin.
The routes often follow historic canal infrastructure and scenic waterways. You can explore highlights such as the Bike path along the Oise and the general Canal cycling route. Near Saint-Quentin, you might also encounter the Isle Park.
Yes, around the Harly area, particularly near Saint-Quentin, you can find historical points of interest. These include the impressive Basilique Saint-Quentin and the Saint-Quentin war memorial.
The gravel biking routes in Harly are highly rated by the komoot community, with an average score of 4.0 stars from 2 reviews. Riders often appreciate the blend of natural waterways and rural landscapes, as well as the accessible terrain with gentle gradients.
Yes, Harly is suitable for family-friendly gravel biking, especially due to its gentle gradients and accessible routes along canal towpaths and river routes. The easy trails, like the Canal Bridge loop from Saint-Quentin, are particularly well-suited for families.
The gravel bike routes in Harly vary in length. You can find shorter options like the 15.2 km Canal Bridge loop from Saint-Quentin, up to longer rides such as the 41.9 km Riqueval Tunnel – Riqueval Towing System loop from Francilly-Selency.
While specific parking locations for each trailhead are not detailed here, many routes start from towns like Francilly-Selency, Le Thiolet, or Saint-Quentin. It's advisable to check local parking availability in these areas before your ride.
Given the region's low-lying river valleys and agricultural plains, gravel biking in Harly is generally pleasant during spring, summer, and early autumn. These seasons typically offer favorable weather conditions for enjoying the canal and river routes.


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