Réserve Naturelle De Grande-Synthe is a national nature reserve established in 2015, formed by the merging of the Puythouck and Prédembourg areas. Covering approximately 171 to 174 hectares, this significant green space provides a diverse environment for outdoor pursuits. The reserve features an artificial lake, extensive wetlands, and woodlands with numerous tree species, alongside sandy lawns, shrub areas, and agricultural fallows. This varied landscape supports several sports like road cycling, touring cycling, hiking, jogging, and more.
106
Routes
4.3
(259)
Average rating
2948
People visited

4.3
(26)
92
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(1)
47
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

5.0
(1)
41
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.0
(4)
31
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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4.2
(5)
207
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

4.0
(6)
236
riders
31.9km
01:16
50m
50m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

5.0
(1)
64
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

31
riders
54.6km
02:21
60m
60m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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4.0
(26)
220
riders
31.6km
01:48
40m
40m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.1
(16)
68
riders
38.8km
02:13
50m
50m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.1
(8)
49
riders
43.5km
02:30
60m
60m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.7
(9)
97
riders
20.6km
01:11
20m
20m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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4.1
(14)
80
riders
49.4km
02:37
110m
110m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

3.8
(6)
55
riders
51.7km
03:06
90m
90m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.7
(6)
70
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.0
(18)
140
riders
52.9km
02:54
100m
100m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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5.0
(1)
116
runners
8.16km
00:51
10m
10m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

36
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.0
(1)
24
runners
6.24km
00:39
10m
10m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

8
runners
13.2km
01:23
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.6
(7)
30
riders
33.9km
01:47
70m
70m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.5
(8)
23
riders
27.4km
01:25
50m
50m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

16
riders
62.7km
04:06
110m
110m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

8
riders
50.5km
02:39
150m
150m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Réserve Naturelle De Grande-Synthe is a national nature reserve established in 2015. It was formed by merging the Puythouck and Prédembourg areas, serving as a significant green space within its region.
The reserve offers a variety of outdoor activities, including road cycling, touring cycling, hiking, jogging, and mountain biking. Its diverse landscapes provide suitable environments for these pursuits.
The Réserve Naturelle De Grande-Synthe covers approximately 171 to 174 hectares (about 422 to 430 acres). This area includes woodlands, wetlands, and open spaces.
Yes, the reserve features routes suitable for road cycling, traversing green areas and lake banks. Specific routes can be found in the Road Cycling Routes in Réserve Naturelle De Grande-Synthe guide.
Hiking trails are available, offering paths through woodlands, along lake shores, and across natural terrains. The Hiking in Réserve Naturelle De Grande-Synthe guide provides detailed information on these routes.
The reserve offers family-friendly options, including accessible cycling paths and easy hiking trails. The Family-friendly hikes in Réserve Naturelle De Grande-Synthe guide highlights suitable routes.
Key natural features include the artificial lake at Puythouck, extensive wetlands, and woodlands with diverse tree species. The reserve also contains sandy lawns, shrub areas, and agricultural fallows.
Yes, the reserve is a vital ecological site for birdwatching, especially due to its wetlands and reed beds. It is home to 66 nesting bird species and serves as a migratory stopover.
The Réserve Naturelle De Grande-Synthe is popular among outdoor enthusiasts, with more than 45,000 visitors sharing their experiences. Routes in the area have an average rating of 4.42 out of 5 stars from over 3,200 ratings.
Komoot offers several guides for the reserve, including those for Road Cycling, Hiking, Running, and MTB Trails.
Official information about the reserve can be found on the official website of the City of Grande-Synthe. This website provides details on the reserve's management and facilities.
Yes, the reserve includes areas suitable for mountain biking. Information on specific routes can be found in the MTB Trails in Réserve Naturelle De Grande-Synthe guide.
The reserve offers traffic-free cycling options, particularly within the Puythouck area, which is designed for bicycle accessibility. Guides like Traffic-free bike rides in Réserve Naturelle De Grande-Synthe provide details.

