4.5
(182)
2,300
riders
75
rides
No traffic touring cycling routes in Réserve Biologique Dirigée De Grossman traverse a landscape defined by dense, old-growth forests and varied terrain within the Hautes Vosges gréseuses mountains. The region features significant red sandstone formations and offers both challenging ascents and scenic rides. The Grossmann summit, at 986 meters, provides a notable high point for routes. This biological reserve is managed for conservation, ensuring well-preserved natural environments for cyclists.
Last updated: May 13, 2026
3
riders
10.6km
00:58
160m
150m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
13.7km
01:19
350m
350m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.

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15
riders
42.8km
04:22
1,030m
1,030m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
5
riders
21.3km
01:53
440m
440m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
58
riders
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
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Popular around Réserve Biologique Dirigée De Grossman
A very well-surfaced road with practically no traffic leads up from Dabo. If you want to continue to the sandpit, you have to take a well-maintained gravel road, which is easier to drive on than some paved roads. At the sandpit, you then meet a paved road again.
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Very nice to ride: moderate gradient, little traffic.
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1
Weather permitting, you can enjoy fantastic views from here, for example over the Bruche valley to the south and to the Donon, which is almost as high, to the west.
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Super nice rest area with several seating areas
1
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Great rock formation along the way
1
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Shelter in the middle of the forest. The nearest water source is about 1 km away.
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There are over 80 dedicated no-traffic touring cycling routes in Réserve Biologique Dirigée De Grossman, offering a wide range of options for cyclists. The majority of these routes are rated as moderate or difficult, providing a good challenge for experienced touring cyclists.
The routes in Réserve Biologique Dirigée De Grossman cater to various skill levels. While there are a few easy routes, the majority are classified as moderate (27 routes) or difficult (53 routes), reflecting the region's varied terrain and the presence of significant climbs towards points like the Grossmann summit. Expect rewarding ascents and descents through the forested landscapes.
Yes, many of the no-traffic touring cycling routes in Réserve Biologique Dirigée De Grossman are designed as loops, allowing you to start and end at the same point. For example, you could try the Col de la Schleif Picnic Area – Schleif Pass loop from Col de la Schleif for a moderate ride, or the more challenging Rocher du Dabo via the col du Valsberg — loop from Dabo.
The terrain in Réserve Biologique Dirigée De Grossman is characterized by dense, old-growth forests, particularly beech and fir, and the geological composition of 'grès rouges' (red sandstone). This means you can expect a mix of forest roads, potentially winding paths, and varied topography with rewarding climbs and descents, especially as you approach higher elevations like the Grossmann summit.
The reserve offers several points of interest. You might encounter striking red sandstone formations like the Rocher de Mutzig, or pass by the Grossman Forest House. Other highlights include the Engenthal-le-Bas to Windsbourg and Hengst Climb and the Ascent to Eichkopf. The overall commitment to preserving biodiversity ensures a tranquil and immersive experience.
While the majority of routes are moderate to difficult, there are a few easier options available that might be suitable for families with some cycling experience. It's best to check the specific route details for distance and elevation gain to ensure it matches your family's capabilities. The tranquil, car-free environment is ideal for a peaceful family outing.
Réserve Biologique Dirigée De Grossman is a biological reserve focused on conservation, including species like the Capercaillie. While specific regulations for dogs on cycling routes can vary, it's generally recommended to keep dogs on a leash to protect local wildlife and ensure a pleasant experience for all visitors. Always check local signage for the most current rules.
The best time for touring cycling in Réserve Biologique Dirigée De Grossman is typically from spring through autumn. During these seasons, the weather is generally milder, and the forests are vibrant. Spring offers fresh greenery, while autumn provides stunning fall foliage. Winter cycling can be challenging due to snow and ice, especially at higher elevations.
While the reserve itself is a natural, protected area, nearby towns and villages such as Dabo, Abreschviller, or Walscheid offer amenities including cafes, restaurants, and various accommodation options. It's advisable to plan your route to pass through or near these settlements for refreshment stops or overnight stays.
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the tranquility of the no-traffic routes, the immersive experience of cycling through ancient forests, and the rewarding climbs that offer panoramic views. The well-preserved natural environment and rich biodiversity are frequently highlighted as key attractions.
As a 'Directed Biological Reserve,' the area is managed for conservation. While general cycling on designated paths is usually permitted, it's always wise to respect local regulations, stay on marked routes, and avoid disturbing wildlife. No specific permits are typically required for recreational cycling on public paths, but always check for any temporary restrictions or specific rules posted at reserve entrances.
Parking is generally available at key access points or trailheads around the reserve, often near villages or popular starting points for outdoor activities. For example, you might find parking near the Col de la Schleif Picnic Area or in towns like Dabo, which serve as good bases for exploring the cycling routes.


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