4.3
(65)
4,427
riders
154
rides
No traffic road cycling routes around Sercus traverse a landscape characterized by flat to gently rolling agricultural plains, interspersed with a network of canals and waterways. The region features low hills, such as Mont Cassel and Mont des Cats, which provide moderate climbs and elevated viewpoints. These routes primarily follow quiet country roads and dedicated paths, offering a serene cycling experience away from heavy vehicle traffic. The terrain is generally accessible, with options ranging from easy, flat stretches along canals to more challenging routes incorporating the region's modest ascents.
Last updated: August 26, 2026
4.3
(4)
67
riders
60.0km
02:26
150m
150m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4.5
(4)
66
riders
37.4km
01:30
60m
60m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

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19
riders
83.2km
03:38
680m
680m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
8
riders
96.5km
04:02
250m
250m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
6
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Sercus
Marina on the canal, the cycle path is great up to there.
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The Pont de Thiennes is a traffic bridge located on the Leie, connecting the municipalities of Thiennes and Aire-sur-la-Lys. The bridge was inaugurated in 2014. It is built of Soignies granite and was financed by the state (33.9%) for war damage, by the department of Pas-de-Calais (33.05%) and by the department of Nord (33.05%). The bridge is equipped with a lifting system to allow the passage of boats.
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The name "Catsberg" refers to a Germanic tribe, the Chatti (in Latin Chatti or Catti), who first appeared in history in the last years before the beginning of our era. In 162 and 170, the Chatti entered the history books once more as aggressors with their invasions of present-day southern Germany and Belgium. After that, the Chatti disappeared as an independent tribe. They probably merged with the Franks at the beginning of the sixth century. Source: Wikipedia
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The top of the Catsberg is 164m above sea level. The TV mast adds another 200m to that.
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"Col" is a big word for a hill that is no higher than 109m. The point is therefore mainly known as the approach to the Catsberg, with its 164m not exactly a "peak", but the abbey on the top can be seen from far away and gives the Catsberg a shine that also radiates on the Col de Berthen.
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great place and lots of activities
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There are over 140 dedicated no-traffic road cycling routes around Sercus, catering to various skill levels. You'll find a good mix of easy, moderate, and challenging options to explore.
Yes, Sercus offers a variety of easy, traffic-free road cycling routes perfect for beginners or those looking for a relaxed ride. For example, the Quai du Commerce, Arques loop from Wittes is an excellent easy option, covering about 35 km with minimal elevation gain.
The routes around Sercus offer a charming blend of rural landscapes, often following quiet country roads and canal paths. You can expect peaceful views of the countryside, small villages, and sometimes even historical structures. Some routes, like the Lys Dyke – Saint-Venant Marina loop from Ebblinghem, will take you along waterways, providing a serene cycling experience.
Absolutely. For experienced road cyclists seeking a greater challenge, Sercus has routes with more significant elevation changes and longer distances. The Montée de Cassel – Mont des Cats loop from Ebblinghem is a moderate route spanning over 84 km with substantial climbing, offering a rewarding ride through varied terrain.
Many routes pass by or near historical and scenic points of interest. You could cycle past the historic Cassel Old Town, visit the impressive Boat Lift of Fontinettes, or see the iconic mill on Cassel Hill. These attractions add a cultural dimension to your ride.
Yes, many of the no-traffic road cycling routes in Sercus are designed as loops, allowing you to start and finish at the same point. This makes planning your ride and logistics, such as parking, much simpler. Examples include the Cassel Old Town – Cassel Village loop from Hazebrouck.
The komoot community highly rates the no-traffic road cycling experience in Sercus, with an average score of 4.3 stars from over 50 reviews. Cyclists often praise the tranquility of the routes, the well-maintained surfaces, and the opportunity to explore the region's charming countryside without the distraction of heavy vehicle traffic.
While specific 'family-friendly' designations aren't always explicit, the abundance of easy and moderate no-traffic routes makes Sercus a great option for families. Routes with lower elevation gain and shorter distances, like the Saint-Éloi Church loop from Hazebrouck, are generally suitable for a leisurely family outing, provided children are comfortable with the distance.
Spring and autumn generally offer the most pleasant conditions for no-traffic road cycling in Sercus, with mild temperatures and beautiful scenery. Summer can also be enjoyable, though it's advisable to start earlier in the day to avoid the midday heat. Winter cycling is possible but may require more preparation for colder weather and potentially wet conditions.
Many routes pass through or near small towns and villages where you can find local cafes, bakeries, or restaurants to refuel. Planning your route in advance and checking for amenities in the towns along your chosen path is recommended to ensure you have refreshment stops available.
For many of the loop routes, you can often find parking in the starting towns or villages. Public transport options, such as regional trains or buses, might also provide access to some starting points, particularly in larger towns like Hazebrouck or Ebblinghem. It's best to check local transport schedules and parking availability for your specific chosen route's starting location.


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