Réserve naturelle des Isles du Drac is a national nature reserve situated near the Grenoble metropolis, characterized by a unique blend of mountain and Mediterranean influences. This area encompasses the Drac riverbed, presenting diverse landscapes such as gravel banks, low-lying shores, meadows, woodlands, wetlands, and alluvial forests. It functions as a significant biodiversity reservoir, with a notable braided river ecosystem. Within designated public access zones, several sports like jogging, touring cycling, road cycling, mountain biking, and more are available for…
164
Routes
4.3
(469)
Average rating
7939
People visited

6
riders
13.9km
00:59
260m
260m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

4.7
(9)
321
riders
87.9km
04:00
830m
830m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

4.7
(10)
151
riders
51.0km
03:06
1,330m
1,330m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

4.7
(24)
532
riders
88.9km
04:02
800m
790m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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4.4
(12)
242
riders
21.3km
01:16
60m
60m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

23
riders
60.7km
04:10
1,040m
1,040m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
93
riders
52.5km
03:57
1,320m
1,320m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.6
(5)
86
riders
46.9km
03:02
600m
600m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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232
runners
10.7km
01:12
90m
90m
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

156
runners
8.51km
00:55
50m
50m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.5
(2)
145
runners
8.71km
01:09
330m
330m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

130
runners
6.40km
00:42
50m
50m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.7
(21)
57
hikers
4.73km
01:24
140m
140m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.8
(18)
58
hikers
4.20km
01:13
110m
110m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.1
(8)
47
hikers
9.30km
03:00
310m
310m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

4.0
(5)
40
hikers
9.31km
03:00
310m
310m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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3.8
(8)
70
riders
26.3km
02:21
640m
640m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.6
(5)
37
riders
32.3km
03:08
880m
880m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.8
(16)
36
riders
34.7km
03:21
1,060m
1,060m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

3.0
(3)
18
riders
17.5km
01:53
650m
650m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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4.6
(35)
172
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.5
(4)
47
riders
29.7km
02:17
670m
670m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

5.0
(3)
61
riders
52.1km
03:51
1,360m
1,360m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.6
(7)
22
riders
46.3km
03:49
1,010m
1,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(5)
26
hikers
8.90km
04:06
700m
700m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

14
hikers
8.38km
03:16
610m
610m
Moderate mountaineering route. Good fitness required. Mostly accessible paths. Sure-footedness required.

4.7
(3)
9
hikers
12.1km
05:21
800m
800m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

4.0
(1)
11
hikers
12.3km
03:54
520m
520m
Hard mountaineering route. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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The Réserve naturelle des Isles du Drac is a national nature reserve located near Grenoble, France. It encompasses a 9-mile (15 km) stretch of the Drac riverbed, featuring diverse habitats like gravel banks, wetlands, and alluvial forests. The reserve is recognized for its significant biodiversity, influenced by both mountain and Mediterranean climates.
Outdoor activities in Réserve naturelle des Isles du Drac are primarily limited to designated public access zones due to conservation and safety regulations. Permitted activities include jogging, touring cycling, road cycling, mountain biking, hiking, gravel biking, and mountaineering. Visitors can explore approximately 4 routes within these areas.
Yes, jogging routes are available within the reserve's designated public access areas. The Chasse Barbier Interpretation Trail, approximately 1.7 miles (2.8 km) long, is suitable for jogging and leisurely walks. For more options, consult the Running Trails around Réserve naturelle des Isles du Drac guide.
Cycling is possible on designated paths within the reserve, such as the Promenade Thiervoz, which offers views of the Drac river. While specific mountain biking trails are not highlighted within the restricted riverbed, general cycling is supported. Explore options through guides like Cycling around Réserve naturelle des Isles du Drac or Road Cycling Routes around Réserve naturelle des Isles du Drac.
Yes, hiking trails are available, particularly within the public access zones. The Chasse Barbier Interpretation Trail is a 1.7-mile (2.8 km) path with educational markers, suitable for walks. Additional hiking options can be found in the Hiking around Réserve naturelle des Isles du Drac guide.
The Chasse Barbier Interpretation Trail is suitable for families, featuring 10 educational markers and 3 observation pontoons to discover the site's biodiversity. This trail is accessible from Vif and Varces-Allières-et-Risset. For more family-oriented options, refer to the Family-friendly hikes around Réserve naturelle des Isles du Drac guide.
The reserve is characterized by its diverse geomorphology, including braided river sections, gravel banks, and various riparian environments. It hosts approximately 40 different habitat types, supporting 482 animal species and over 700 plant species. Notable features include alluvial forests, wetlands, and protected species like the European beaver and European nightjar.
Public access to many areas of the reserve is restricted to preserve biodiversity and due to safety concerns related to hydroelectric operations. The Drac riverbed itself has been off-limits since 1997 due to rapid water level changes. Visitors should adhere to signage and stay within designated public access zones.
Réserve naturelle des Isles du Drac is a popular destination on komoot, with more than 348,000 visitors having shared their experiences. The routes within the reserve have an average rating of 4.42 out of 5 stars from over 25,000 ratings. This indicates a high level of satisfaction among users.
Komoot offers several guides for Réserve naturelle des Isles du Drac, covering various activities. These include guides for Running Trails, Cycling, Road Cycling Routes, MTB Trails, and Hiking.
The official website for the Réserve naturelle des Isles du Drac is rnr-islesdudrac.fr. This site provides information regarding the reserve's conservation efforts, biodiversity, and visitor guidelines.

