Lac du Grand Maclu is a region in the Jura Mountains characterized by its glacial lakes, wetlands, and forests. The landscape features interconnected lakes like Grand Maclu, Petit Maclu, Lac d'Ilay, and Lac de Narlay, formed during the last Ice Age. Surrounding these water bodies are diverse peat bogs and extensive forests, providing varied terrain for outdoor pursuits. This area offers opportunities for several sports like hiking, touring cycling, jogging, road cycling, and more.
123
Routes
4.5
(1323)
Average rating
11151
People visited

4.6
(231)
1,244
hikers
13.5km
03:55
290m
290m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

4.6
(249)
1,685
hikers
8.59km
02:38
250m
260m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

4.7
(89)
686
hikers
9.80km
02:37
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.7
(349)
3,631
hikers
6.98km
02:18
200m
200m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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4.4
(7)
46
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.3
(20)
320
riders
46.5km
03:05
610m
610m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.1
(7)
32
riders
10.2km
00:40
110m
110m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.6
(5)
28
riders
38.7km
02:35
550m
550m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.3
(4)
113
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(3)
39
riders
25.1km
01:11
340m
340m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(1)
32
riders
45.5km
02:16
670m
660m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

4.8
(4)
140
riders
63.1km
02:58
830m
830m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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5.0
(1)
94
runners
12.1km
01:22
160m
160m
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.5
(2)
81
runners
13.9km
01:46
360m
360m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

75
runners
25.4km
03:12
610m
610m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

5.0
(1)
69
runners
3.86km
00:25
60m
50m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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4.6
(9)
68
riders
17.2km
01:15
250m
250m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

4.0
(5)
29
riders
53.5km
03:51
900m
900m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

4.6
(5)
14
riders
40.9km
03:22
750m
750m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

3.0
(3)
7
riders
17.4km
01:22
290m
290m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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5.0
(1)
4
riders
74.3km
05:24
1,410m
1,410m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
10
riders
37.7km
02:28
620m
620m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.2
(6)
7
riders
10.6km
00:35
100m
100m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.0
(2)
12
riders
25.7km
01:40
360m
360m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5
hikers
12.0km
03:42
350m
350m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.

5.0
(1)
2
hikers
8.37km
02:36
210m
210m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

5.0
(1)
2
hikers
9.89km
03:07
270m
270m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Lac du Grand Maclu offers a variety of outdoor activities including hiking, touring cycling, jogging, road cycling, mountain biking, and gravel biking. The region features diverse landscapes suitable for all skill levels.
Popular hiking routes include the Grand Maclu Lake – Little Maclu Lake loop, which is an easy 2.4-mile (3.8 km) hike. Other options are the Three Lakes Viewpoint – Four Lakes Viewpoint loop and the Pic de l'Aigle – Stone formation loop. More information is available in the Hiking around Lac du Grand Maclu guide.
Yes, Lac du Grand Maclu provides several family-friendly hikes, such as shorter options of the Tour des 4 Lacs. The region offers paths suitable for various fitness levels. Consult the Family-friendly hikes around Lac du Grand Maclu guide for specific routes.
Key natural landmarks include the Pic de l'Aigle, a mountain at 3,258 feet (993 meters) offering panoramic views. The 4 Lakes panoramic viewpoint, situated around 2,950 feet (900 meters), provides a 360° vista of the Jura Mountains. The region is also known for its glacial lakes and extensive wetlands.
The Lac du Grand Maclu region is well-suited for various forms of cycling, including touring, road, and mountain biking. Easy bike rides are available on mostly paved surfaces, alongside more challenging mountain biking routes like the Tour des 5 Lacs. Guides such as Cycling around Lac du Grand Maclu and MTB Trails around Lac du Grand Maclu offer detailed information.
The region is particularly appealing in spring and autumn. During these seasons, it is typically less crowded, and the natural beauty of the landscape is at its peak. Trails are accessible for various activities.
Lac du Grand Maclu is a popular destination, with more than 175,000 visitors having shared their experiences on komoot. Routes in the region have an average rating of 4.49 out of 5 stars.
Yes, Lac du Grand Maclu offers easy hiking trails suitable for beginners or those seeking a relaxed walk. The Grand Maclu Lake – Little Maclu Lake loop is an example of an easy route. Further options can be found in the Easy hikes around Lac du Grand Maclu guide.
Information regarding hiking trails accessible from bus stations in the region is available. The Hikes from bus stations around Lac du Grand Maclu guide provides details on such routes.
Komoot offers several guides for Lac du Grand Maclu, including those for hiking, cycling, running, and mountain biking. Specific guides cover family-friendly hikes, easy hikes, waterfall hikes, and traffic-free bike rides.
Information about the broader Jura Mountains region, which includes Lac du Grand Maclu, can be found on the Montagnes du Jura website. The official website is en.montagnes-du-jura.fr.
Grand Lac Maclu has a surface area of 52 acres (21 hectares) and reaches a maximum depth of 79 feet (24 meters). It is one of several glacial lakes in the region.

