Lac de Coiselet is a man-made reservoir situated on the border of the Ain and Jura departments in France. This region is characterized by its dramatic cliffs, lush forests, and the confluence of the Bienne and Ain rivers, creating a diverse landscape for outdoor activities. The terrain offers varied opportunities for several sports like hiking, touring cycling, mountain biking, road cycling, and more.
The Lac de Coiselet region provides a range of outdoor…
94
Routes
4.3
(274)
Average rating
1901
People visited

4.5
(15)
40
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.0
(41)
136
hikers
3.87km
01:16
160m
160m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.7
(15)
103
hikers
9.54km
02:57
240m
240m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

4.3
(15)
46
hikers
7.19km
02:20
300m
300m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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4.6
(20)
126
riders
44.0km
02:40
400m
400m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.6
(12)
78
riders
29.3km
02:09
540m
540m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.7
(7)
55
riders
18.2km
01:07
160m
160m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.9
(7)
52
riders
51.8km
03:34
820m
820m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(1)
61
riders
44.3km
02:10
650m
650m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(1)
38
riders
35.1km
01:53
670m
670m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(1)
35
riders
18.4km
00:47
160m
160m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

4.5
(2)
28
riders
39.8km
02:03
640m
640m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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4.6
(5)
24
riders
31.5km
01:53
360m
360m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

3.0
(7)
18
riders
21.5km
02:00
640m
640m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.0
(1)
18
riders
23.9km
01:31
350m
350m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

5.0
(1)
15
riders
27.4km
02:23
590m
590m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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15
runners
11.5km
01:39
490m
490m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

11
runners
4.05km
00:34
150m
150m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

12
runners
3.87km
00:33
160m
160m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

15
runners
17.8km
01:52
150m
150m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Lac de Coiselet offers a range of outdoor activities including hiking, touring cycling, mountain biking, road cycling, jogging, and gravel biking. The region features over 28 routes across these sports. Unsupervised swimming is also permitted at Chancia Beach.
Popular hiking routes include the "Molard de Netru and the heights of Chancia" loop, which is 7.6 miles (12.2 km) long. The "Oliferne Castle Ruins – Oliferne Peak" loop, at 5.5 miles (8.8 km), offers panoramic views. For more options, consult the Hiking around Lac de Coiselet guide.
Yes, easy hiking options are available, such as the "Plage de Chancia" loop, which is 2.4 miles (3.9 km) long and leads to sandy beaches. The Easy hikes around Lac de Coiselet guide provides additional routes suitable for beginners.
The region offers routes suitable for families. The Family-friendly hikes around Lac de Coiselet guide lists specific trails designed for family outings. These routes often feature easier terrain and shorter distances.
Lac de Coiselet provides routes for touring cycling, mountain biking, and road cycling. A notable route is the "Loop 16: Tour of the lake of Coiselet," an easy 18.9 miles (30.45 km) touring cycling route starting from Thoirette-Coisia. More options can be found in the Cycling around Lac de Coiselet guide.
Yes, Lac de Coiselet offers mountain biking trails. The broader Jura Mountains region provides over 1,200 miles (2,000 km) of marked trails, including technical options. For specific routes, consult the MTB Trails around Lac de Coiselet guide.
Key natural features include the Pic d'Oliferne, rising to 2,648 feet (807m), and the Mont Molard de Nétru and Chancia Cliffs. The lake is also known for the confluence of the Bienne and Ain rivers and the sandy Chancia Beach. These elements contribute to the region's diverse landscape.
Lac de Coiselet is a popular destination, with more than 19,000 visitors having shared their experiences on komoot. The 28 routes in the region have an average rating of 4.38 out of 5 stars. This indicates a high level of satisfaction among outdoor enthusiasts.
Komoot offers several guides for Lac de Coiselet, including Hiking around Lac de Coiselet, Family-friendly hikes around Lac de Coiselet, and Cycling around Lac de Coiselet. Guides for easy hikes, MTB trails, road cycling, and running are also available. These resources provide detailed information for planning activities.
Unsupervised swimming is permitted at Chancia Beach on Lac de Coiselet. This sandy beach provides a tranquil spot for relaxation and water activities. Other water sports like canoeing and paddling are also possible on the lake.
Official information for the Lac de Coiselet area can be obtained from the Haut-Bugey Tourisme office. Their website is a primary source for details regarding the lake and surrounding attractions. The office can be reached by phone at +33 (0)4 74 12 11 57.
Yes, the region features historical elements. The Pic d'Oliferne is home to the ruins of an 18th-century castle. Additionally, 140-million-year-old dinosaur footprints were discovered near Coisia village, offering a glimpse into ancient history.

