4.4
(393)
2,411
riders
169
rides
Mountain biking in Réserve Biologique Dirigée De Grossman offers a network of trails through dense woodlands and varied terrain. The region is characterized by rolling hills and significant elevation changes, providing diverse challenges for mountain bikers. Its natural setting ensures a focus on forest paths and natural singletrack.
Last updated: July 5, 2026
4.5
(2)
5
riders
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
riders
40.9km
04:53
1,060m
1,060m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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5.0
(1)
8
riders
45.6km
05:05
1,290m
1,290m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.0
(1)
9
riders
24.8km
02:33
700m
710m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
8
riders
17.1km
01:53
490m
490m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Popular around Réserve Biologique Dirigée De Grossman
Large rocky plateau; “Hohwalsch” means the height of Walsch, i.e. of Walscheid.
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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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Intersection of several trails below the Schlosskopf at 590m altitude
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The place is good for sleeping but you will have to walk a little lower down to the water point.
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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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Wow, I was deeply impressed and humbled. What nature creates is so beautiful. We should show it more respect.
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Located in the heart of the Dabo forest, the Maison du Spitzberg has been maintained since 2012 by the Friends of Spitzberg, thanks to whom the building has been preserved.
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There are over 160 mountain bike trails in Réserve Biologique Dirigée De Grossman, offering a wide range of options for different skill levels.
Yes, Réserve Biologique Dirigée De Grossman offers 16 easy mountain bike trails suitable for beginners or those looking for a more relaxed ride. These routes typically feature less challenging terrain and elevation changes.
The trails in Réserve Biologique Dirigée De Grossman are characterized by dense woodlands, rolling hills, and varied elevations. You'll encounter a mix of forest paths and natural singletrack, with significant elevation changes on many routes.
Absolutely. For experienced riders, there are 59 difficult mountain bike trails. Routes like the Abrie Walscheid loop from Réserve biologique dirigée de Grossman (33.1 km with 904 m elevation gain) and the Belle Roche – Rocher du Calice loop from Réserve biologique dirigée de Grossman (40.9 km with 1061 m elevation gain) offer demanding climbs and technical descents.
Many of the mountain bike trails in Réserve Biologique Dirigée De Grossman are designed as loops, allowing you to start and finish at the same point. Examples include the Rocher de Mutzig Viewpoint – Stone Gate loop from Col de la Schleif and the Raspberry Rock – Col de la Schleif Picnic Area loop from Col de la Schleif.
Trail lengths vary significantly. While some easy routes might be shorter, many of the more popular and challenging trails range from 20 km to over 45 km. For instance, the Rocher de Mutzig Viewpoint – Stone Gate loop from Col de la Schleif is 45.6 km long.
Along the trails, you can discover various points of interest. Notable highlights include the Grossman Forest House and the Altmatt Shelter. There are also scenic climbs like the Ascent to Eichkopf offering panoramic views.
The mountain bike trails in Réserve Biologique Dirigée De Grossman are highly rated by the komoot community, with an average score of 4.4 stars from over 350 reviews. Riders often praise the diverse terrain, challenging climbs, and the immersive experience of riding through dense woodlands.
While the region offers year-round access, winter conditions can bring snow and ice, making some trails more challenging or impassable. It's advisable to check local weather forecasts and trail conditions before planning a winter ride, and be prepared for colder temperatures and potentially slippery surfaces.
Generally, no specific permits are required for mountain biking on designated trails within Réserve Biologique Dirigée De Grossman. However, it's always good practice to respect local regulations, stay on marked paths, and be mindful of protected areas.
Given the varied terrain and potential for significant elevation changes, it's recommended to pack essentials such as sufficient water and snacks, a repair kit for your bike, appropriate layers of clothing for changing weather, a helmet, and a first-aid kit. A navigation device or app like komoot is also helpful for following routes.
While the guide focuses on the trails themselves, the region surrounding Réserve Biologique Dirigée De Grossman has small villages and towns where you can find local eateries, bakeries, or pubs to refuel after your ride. It's a good idea to check options in nearby communities like Lutzelhouse or Col de la Schleif.


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