Lac De Grand Lieu is a region in Loire-Atlantique, France, characterized by its unique natural landscape centered around the largest natural lowland lake in France. The lake's surface area fluctuates significantly, creating dynamic scenery and diverse habitats, including extensive floating meadows and reed beds. This protected nature reserve is recognized for its exceptional biodiversity, supporting over 270 bird species and a rich array of flora and fauna. The varied terrain, from flat marshlands to surrounding vineyards, provides opportunities for several…
165
Routes
4.4
(518)
Average rating
3524
People visited

3.7
(7)
15
hikers
18.6km
04:44
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.2
(20)
91
hikers
10.2km
02:35
20m
20m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.5
(6)
55
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.1
(7)
19
hikers
7.96km
02:01
20m
20m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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4.2
(5)
11
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.0
(25)
154
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.9
(11)
33
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.2
(6)
31
riders
25.6km
01:43
60m
60m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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4.4
(42)
352
riders
46.8km
01:57
160m
160m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

4.7
(6)
123
riders
45.4km
01:54
230m
230m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

4.0
(2)
34
riders
89.7km
03:35
370m
370m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

3.8
(4)
48
riders
26.3km
01:05
130m
130m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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4.8
(19)
118
riders
47.4km
03:10
250m
250m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

3.9
(30)
97
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.5
(4)
38
riders
42.8km
03:05
240m
240m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.8
(14)
20
riders
38.8km
02:31
130m
130m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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3.9
(31)
114
riders
76.8km
04:45
230m
230m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.3
(10)
60
riders
50.0km
03:03
200m
200m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
13
riders
84.9km
05:10
280m
280m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
(3)
8
riders
38.1km
02:30
170m
160m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.0
(1)
40
runners
8.73km
00:56
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

36
runners
8.36km
00:55
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

36
runners
13.0km
01:25
50m
50m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
(2)
35
runners
12.0km
01:19
40m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Lac De Grand Lieu is the largest natural lowland lake in France, located in Loire-Atlantique. It is a protected nature reserve and a Ramsar site, known for its significant biodiversity and fluctuating water levels.
The Lac De Grand Lieu region offers various outdoor activities, including hiking, touring cycling, road cycling, mountain biking, jogging, and gravel biking. The terrain is generally flat with low elevation changes.
Yes, numerous hiking trails are available, suitable for various fitness levels. A notable option is the 45.4-mile (73 km) 'Tour du Lac de Grand Lieu,' an approved GR de Pays route. For more options, see the Hiking around Lac De Grand Lieu guide.
The region provides routes for touring cycling, road cycling, and mountain biking. Cyclists can explore extensive reed beds, vineyards, and traditional villages. Specific guides include Cycling around Lac De Grand Lieu and Road Cycling Routes around Lac De Grand Lieu.
Yes, mountain biking is possible in Lac De Grand Lieu. The 'Tour du Lac de Grand Lieu' trail is suitable for mountain biking, though some sections may have restrictions requiring variants. The area features a mix of gravel paths and forested areas. Consult the MTB Trails around Lac De Grand Lieu guide for details.
The region offers trails suitable for various fitness levels, including easy walks. The generally flat terrain makes many routes accessible for families. For specific easy options, refer to the Easy hikes around Lac De Grand Lieu guide.
Lac De Grand Lieu is characterized by its dynamic surface area, extensive floating meadows of yellow and white water lilies, and vast reed beds. It also features flooded meadows, surrounding vineyards, and agricultural lands, creating diverse habitats.
As the second-largest ornithological reserve in France, Lac De Grand Lieu is home to over 270 bird species, including grey herons, white storks, and spoonbills. The area also supports over 50 mammal species, such as otters, and more than 550 plant species.
Yes, viewpoints around the lake provide opportunities to observe its natural beauty and wildlife. While the lake itself is largely inaccessible due to its protected status, these designated spots offer excellent perspectives.
Routes in Lac De Grand Lieu are popular on komoot, with more than 45,000 visitors having shared their experiences. The 6 available routes have an average rating of 4.41 out of 5 stars.
Yes, komoot offers several guides for Lac De Grand Lieu, covering various sports. These include guides for hiking, cycling, road cycling, mountain biking, running, and gravel biking, providing detailed information for planning activities.
For more information, the official website for the Maison du Lac de Grand-Lieu is available. It serves as a key information point for discovering the lake. The website is https://maisondulacdegrandlieu.org/.
The official phone number for information regarding Lac De Grand Lieu, specifically the Maison du Lac de Grand-Lieu, is +33228251907. This number can be used for inquiries about the site.

